E-Blox - Build Your Own Eco Fidget Lights
$13.99
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Use 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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