Freeze the pencil first in the refrigerator for a while, the pencil will turn black, then hold the thermochromic pencil tightly in your hand, as the temperature of the hand is transferred to the pen, the pencil holder will turn a bright color.
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Product information |
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| Product Dimensions |
7.48 x 0.28 inches |
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| Item Weight |
0.02 lbs |
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Additional information |
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| Color |
Black |
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| Material |
Wood |
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| Lead Time |
4-week |
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| Setup |
83.34 (C) |
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