Science on eBay:

Gyroscope Original Tedco Gyroscopic Inertia Science Physics Toy Spin Top

$8.53
End Date: Wednesday May-16-2018 5:31:33 PDT
Buy It Now for only: $8.53
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Euler's Disk Spinning Disc Science Into Art Physics Toy Holograph by Toysmith
$35.00
End Date: Thursday Apr-26-2018 10:33:53 PDT
Buy It Now for only: $35.00
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