Chem Bit - Photochromic Powder

Become a UV detective with Photochromic Powder that detects ultraviolet rays from the sun!

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Snap Circuits Junior 100

Snap Circuits Junior 100
Award winning Elenco Snap Circuit Kits are the very best electricity and electronic kits available. Have a snapping good time learning about electricity with the reusable circuit components that simply clip together with a press stud.

Become a UV detective with our photochromic powder, which detects ultraviolet rays from the sun! Instead of using your delicate skin as an ultra-violet light (UV) detector, use this special photon detecting powder that changes colour when exposed to UV light!

What does photochromic mean? Well, "photo" comes from the greek word light, and "chromo" comes from the greek word for colour... meaning that it is colour changing when exposed to different light wavelengths!

This little photochromic powder kit is sure to provide hours of fun with photons and making paint. Paint different objects and see how they change colour in different light and dark environments, all while learning about photochemical reactions!

Age: 8+ with adult supervision.

What You Get

  • 2 grams of Photochromic powder
  • Paint brush
  • Instruction booklet


  • Light energy
  • Reversible photochemical reactions
  • Electromagnetic spectrum

WARNING: Paint is non-toxic and safe when used as directed, refrain from painting directly on skin. Wash off with water.

More Information
Length (cm) 11
Width (cm) 1
Height (cm) 20
Age Group 7-8 Years, 9-10 Years, 11-12 Years
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