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Spectrum Demo Kit

Item # 33-0200

Regular price $19.00
Regular price Sale price On Sale $19.00
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Buy 10 and pay $17.70 each!

Teach about color and spectroscopy with this unique kit. Use any overhead projector to project a broad, bright spectrum. Show color addition and subtraction, complementary colors, absorption and transmission, and more with the complete instructions.

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Additional Details

Tired of the tiny spectrum that results from a prism?

Teach about color and spectroscopy with this complete kit. Mount the grating in front of the projector lens, on the top of your overhead projector, and project a broad, bright spectrum on the wall. Use the included color filters to show color addition and subtraction, and use the unique "Anti-slit" mask to show complementary colors.

Kit includes Holographic Diffraction Grating, projector mount, slit and anti-slit masks, primary and secondary color filters with spectral graphs, and complete instructions.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to

Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.


What’s Included

  • Narrow slit mask
  • Slit/Anti-slit mask
  • Diffraction grating mount
  • 6 Color filter cards with spectrum graphs
  • 6 color filters (1” x 1.5")