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Copernicus Toys

Compact Curiosities: Flash Rocks

Compact Curiosities: Flash Rocks

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Knock these rocks together for an electrical effect. Flash rocks are one of the few minerals with piezoelectric properties. So, when subjected to mechanical stress, these two little rocks generate an electrical charge and glow.

6x1.5x3.5" card with information.

Part of Copernicus Toys Compact Curiosities line.

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