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Home Workshops Exciting Science with Inquiry: With John Fedors   Rattlebacks
Rattlebacks
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Rattlebacks (Set of 2)
SS-300
Prices:
1 - 5: $3.25 ea.
6 or more: $3.00 ea.
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Rattlebacks (Set of 12 in bulk)
SS-335
Price:
1 or more: $24.00 ea.
Qty:
A Rattleback is a half-ellipsoid object carved so that it will spin in only one direction.
Rattlebacks (Set of 2)
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A Rattleback is a half-ellipsoid object carved so that it will spin in only one direction. Accidentally discovered by archaeologists, this curious object was first dubbed a celt stone, named after the prehistoric axes and adzes they were studying. Idly spinning one of these ancient tools on the table, these scientists must have been surprised to discover that the seemingly normal piece of carved stone would spin freely in one direction but would reverse itself if spun in the other direction.
Additional Products

Dancing Robots (2 per package)

Great for observing a simple wind-up machine that changes elastic potential into kinetic energy.
Pulleys

High-quality, low-friction pulleys, perfect for simple pulley experiments.
Wacky Hall Walker

Investigate the amount of potential energy given the rubber band vs. the distance traveled by the wacky hall walker.
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