Pay in 4 interest-free payments of $14.99 Learn more
Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
even for youngsters and beginners
12" diameter
For great target throwing fun
The ultimate in Tangle artistic expression
and detailed instructions
Euler's Disk temp even for youngsters and beginnersFascinating desktop illusions! Spin the holographic disk on the mirror. Does it speed up? Listen to its rhythmic sounds. Why does the humming get louder as the speed of the disk increases? This patented 3" Diameter chrome plated steel disk creates a hypnotic display of light and sound as it rotates. Includes Euler's disk, 9" Concave mirror base and nine pieces of magnetized holographic foil. Complete with instructions and the scientific answers! Your