Twilight Color-Changing Putty - Thermodynamics / Thermal Energy


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Twilight Color-Changing Putty 91g (1/5 lb)
PUT-150

purple to light blue

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$9.95 ea.

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Twilight Color-Changing Putty 91g (1/5 lb)

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Silicone Bouncing Putty is back! Synthesized in 1943 at DOW Corning as a possible substitute for natural rubber, for over fifty years it has remained a popular "toy." Sold as "Silly Putty^tm" and "Thinking Putty," it is one of the most interesting materials to study. It bounces like a super ball, it flows slowly like slime, shears when quickly pulled and lifts ink off printed matter. Threads of it are attracted to a static charge. Containing a heat-sensitive dye, these silicone bouncing putties change color with the heat of your hand and from the heat generated from pulling and stretching.

Global Warming Mug

Add hot water and observe Florida and California disappear, as Central America becomes just a chain of islands!

Glowing Silicone Putty

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

Paramagnetic Putty

This silicone bouncing putty responds to the presence of a magnetic field.

Sunburst Color-Changing Putty

Changes from orange to yellow.