Write & See Squares


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Write & See Squares
SS-910

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Move the violet light on the yellow vinyl square and observe the brightly glowing trail. Blue light has enough energy to excite the phosphorescent pigment in the vinyl. The excited pigment then slowly releases energy as green light. Red Light does not have enough energy to affect the pigment. Contains a mounted sheet of phosphorescent vinyl (~15 cm²) and an incredible violet PhotonLight LED flashlight on a key-chain ring. Kindergarten or college, teach handwriting skills, or Albert Einstein's Photoelectric effect!!!

Glowing Silicon Putty

Containing safe phosphorescent zinc sulfide, this silicon bouncing putty glows in the dark. Imagine the possibilities!

Phosphorescent Vinyl Sheet

This 'glow-in-the-dark' material absorbs light and slowly emits it over a few minutes.

Photon MicroLights

These small, unbelievably bright micro-flashlights are available in a spectrum of colors and perfect for a variety of experiments and student applications.

Touch and See Square

Place your hand on this black plastic square and create a beautiful thermal hand print. Each color represents a different temperature.