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Rattleback

Rattleback

Vendor
Tedco
Regular price
Sold out
Sale price
$3.95
Shipping calculated at checkout.
Quantity must be 1 or more

A science curiosity whose ancient and mysterious properties capture the attention of all ages.
Rattleback will spin in one direction but when spun in the wrong direction, it will quickly stop, rattle up and down, and then begin to spin in the opposite direction. It also magnifies and is sure to entertain for hours! Made in USA.