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Mr. Sci Science FactoryCentrifugal Force Keychain–Coin Trap

$9.50
Spin the keychain and watch that magical force.

Product Description

• Yellow: may the centrifugal force be with you
• Blue: science is magic that works
• Red: spreading love as centrifugal force
• Measurements: 4.8cm diameter (3 Colors)
Try to figure out how to take the coin out from the key chain, the solution is simple and related to the laws of motion!

Specification

• Dimension ø 4.8 x 0.5 cm
• Material acrylic, stainless steel

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