Rattleback Puzzle - PBI (FT) - Pack of 12
SKU 21206
The rattleback will stop and spin in the opposite direction on its own.
A popular scientific novelty this is a boat shaped piece of plastic that you spin by flicking one end with your fingertip so it spins clockwise. Then it stops and spins back on its own counterclockwise in a most intriguing way. It will keep you amazed and amused and even educate you in Newtonian Physics when you learn how and why it works! These make an extremely affordable giveaway.
One dozen poly bags with individual instructions.