ThinkGeek offers the Solarbotics Perpetual Motion Marble Kit for $24 + Shipping. Retail was $35. Free Shipping is available over $75.

Product Specifications

For Ages 12 and Up
A perpetual motion-looking machine, which uses sunlight to power motors to move marbles
Easy to build, with engraved building notes
Solar-powered or hand-crank operation
Operates in indoor light!
3/8″ steel balls for rolling

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$24.00
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Value
$35.00
Discount
31%
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$11.00

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ThinkGeek offers the Solarbotics Perpetual Motion Marble Kit for $24 + Shipping. Retail was $35. Free Shipping is available over $75. Product Specifications For Ages 12 and Up A perpetual motion-looking machine, which uses sunlight to power motors to move marbles Easy to build, with engraved building notes Solar-powered or hand-crank operation Operates in indoor

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Solarbotics Perpetual Motion Marble Kit

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