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Electronics Fun Snap Circuits & Electronics Kits
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Tin Can Calculator
Tin Can Calculator
Our Price: $12.99

Batteries low on your calculator? No problem! Recycle tin cans and pencils to generate electricity and power a calculator. The tin can calculator makes a cool classroom gadget. more info
Multi-Voice Changer
Multi-Voice Changer
Our Price: $15.99

Disguise your voice! Ten different voice changers in one 6-1/2� voice changer. Use the side levers to create hundreds of combinations. more info
Walkie Talkie Set
Walkie Talkie Set
Our Price: $21.99

These walkie-talkies are 4-1/2" (not including antenna) and feature volume control and Morse code. Range reaches up to 250 feet! Antenna is flexible. more info
Cool Circuits
Cool Circuits
Our Price: $24.95

  • 2013 Puzzle of the Year from GAMES magazine
  • Solve Puzzles, Create Circuits, Activate Flashing Lights

40 challenges from tutorial to practically impossible Cool Circuits™ really does live up to its name. COOL!

Created by Harry L. Nelson and Hiroshi Yamamoto, this puzzle emphasizes spatial reasoning and abstract thinking.

Lay down a puzzle card, solve the challenge by making a loop, and watch the board light up!

Cool Circuits™ has 40 different challenges ranging from student to expert. Can you solve them all?

Comes with light up board, 8 fluorescent, 3-D puzzle pieces and 40 challenge cards.

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