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Sunburst Thermochromic Putty

SKU #PUT-400
Availability: Out of Stock
Out of Stock
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Changes from orange to yellow using the heat from your hand!
deep orange to yellow

Description

Containing a heat sensitive dye, this silicone bouncing putty changes color from orange to yellow with the heat of your hand and from the heat generated by pulling and stretching. Fun classroom prize! 88 g.

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