Circuit Blox™ Build Your Own ECO Fidget Lights “35-Line” cab without center front

SKU: 22919316064

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Circuit Blox™ Build Your Own ECO Fidget Lights “35-Line” cab without center frontUse the hand crank to generate electricity and light the three LEDs! Learn about polarity and see what happens when you turn the crank in either direction. Instruction sheet included 7 total pieces Build 7 projects Includes three (3) LEDs Heart (red), Star (blue), and Blue Red Bi Directional An excellent introduction to Green Energy Compatible with other toy brick sets No batteries required!

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