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Description
The Gotcha Gadgets Book from Klutz includes instructions and materials for building electronic gadgets to play 20 tricks! Includes 32 page book, circuit board, speaker, LED, battery clip, photo-resistor, switches project wires, alligator clip, gadget dock, gadget case, 4 gadget covers 2 doorbell hangers, 2 door alarm hangers. Box measures 9.25"L x 9.25"W. Requires 1 9V battery, not included
