Heat-Sensitive Pencils, Thermochromic: Educational Innovations, Inc.

These unique thermochromic pencils will tell you that "you're getting warmer" as you make your point. These thermochromic pencils will actually change color with the heat from your hand! Excellent motivational prizes or a sure-fire way to guarantee your students won't lose their pencils. 25 pencils in assorted colors.

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Mood Pencils, Thermochromic Heat Activated Color Changing Pencils

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