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.
*Price is per each rattleback (not 4 shown in the photo.) Comes in assorted colors.
A touch of joy. A touch of science. Light responds to your touch and to the music in your room!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
Build your very own smart robot!
Experience this sphere powered by the sun!
This classic device is used to demonstrate the conservation of mechanical energy.
The Y-Ball Magnetic Puzzle is the perfect creativity tool for innovators, artists, engineers, writers, students, and you!