Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.

Publication 91470
Price: FREE
Use this simple demonstration to show how theater gels are used to create virtually any color or shade of light based on the principles of light absorption, light transmission, and individual wavelengths of light. These gels are also a great way to incorporate or showcase an interdisciplinary application of chemistry, the use of light in theatrical productions.