FALL SALE! SAVE UP TO 50%
   Fall sale_25_global header_button.png

FLINN
Your Safer Source for Science
PAVO
All-In-One Science Solution
Your Safer Source for Science
;
Address P.O. Box 219 Batavia, IL 60510
Phone 800-452-1261
Fax
Email [email protected]

Benham’s Disk Optical Illusion

firewatch

DC10655

Price: FREE

Learn more about downloading digital content

Display the colors of the rainbow on a rotating black and white disk.

Concepts

  • Visible Spectrum
  • Cones
  • Rods