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Easy Electric Circuits
$30.00
Human-Powered Light Bulb
$4.50
Mega Cyborg Hand
$45.00
Motors & Generators
$25.00
Newton's Cradle
$15.00
Plasma Ball
$18.00
Rubberband Racers
$20.00
Solar Race Car
$16.00
Solar-Powered Rovers
$20.00
SolarBots: Cosmic Explorers
$27.00
Springbots
$30.00
Wind Power
$45.00

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