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12:00 pm

Photo of blurry spinning top with colorful LEDs, and the following text: LED Top Soldering Kit Motion-activated spinning top w/ flashing lights! → Includes two CR2303 coin cell batteries
January 30 @ 12:00 pm - 1:30 pm ⚡️ Beginner Soldering: LED Spinning Top

⚡️ Beginner Soldering: LED Spinning Top

Iffy Books 404 S. 20th St., Philadelphia

For this class we're building a spinning top toy with LED lights that flash when it spins. No previous soldering experience required! Registration

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
January 30 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
February 6 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
February 13 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
February 20 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
February 27 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
March 6 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
March 13 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
March 20 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
March 27 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
April 3 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
April 10 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
April 17 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
April 24 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
May 1 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
May 8 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
May 15 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
May 22 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
May 29 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
June 5 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
June 12 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
June 19 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
June 26 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
July 3 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
July 10 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
July 17 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
July 24 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
July 31 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
August 7 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
August 14 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
August 21 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
August 28 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
September 4 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
September 11 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
September 18 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
September 25 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
October 2 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
October 9 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
October 16 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
October 23 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
October 30 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
November 6 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
November 13 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
November 20 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
November 27 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
December 4 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
December 11 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
December 18 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
December 25 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
January 1, 2027 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

2:00 pm

Animated GIF of a heart-shaped printed circuit board with red LEDs around the edge, slowly turning on and off
January 8, 2027 @ 2:00 pm - 4:00 pm ❤️ Soldering Practice: LED Heart Board

❤️ Soldering Practice: LED Heart Board

Iffy Books 404 S. 20th St., Philadelphia

Come out and get some soldering practice! This time we're making a heart-shaped board with 22 LEDs, using an oscillator circuit to dim and brighten them at the speed you […]

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