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Global Warming Mug
Add hot water and observe Florida and California disappear, as Central America becomes just a chain of islands!
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Sunburst Color-Changing Putty
Changes from orange to yellow.
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Twilight Color-Changing Putty
Changes from purple to blue.
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Heat Sensitive Periodic Tables
Our periodic tables change color when heat is applied.
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Heat-Sensitive Paper
Our new and improved thermochromic paper changes color within the temperature range of 31oC (88oF) to 37oC (98oF).
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GLOSSY Heat-Sensitive Paper
This Heat-Sensitive Paper with a Glossy Finish works great in laser printers.
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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.
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Liquid Crystal Sheets (12x12 inch)
These laminated sheets of liquid crystal are temperature sensitive. Available in a variety of temperature ranges.
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Liquid Crystal Sheets (4x4 inch)
These laminated sheets of liquid crystal are temperature sensitive. Available in a variety of temperature ranges.
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Liquid Crystal Sample Assortment
Three 4" x 4" square samples of liquid crystal, one 20-25oC, one 25-30oC, and one 30-35oC.
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