This patented, hockey-puck-shaped, chrome plated, holographic steel disk with a super-smooth edge spins faster and faster to create a hypnotic display of light and sound. Just give it a spin and see for yourself. It's easy!

Euler's Disk has created quite a buzz among the scientific community lately, in that it provides a shining example of energy loss approaching inifinity. Euler's Disk is now a great teaching aid for physics teachers and students!