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Flash Rocks - Real Piezoelectric Rocks That Spark

Flash Rocks – Real Piezoelectric Rocks That Spark

Original price was: $4.19.Current price is: $2.53.

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SKU: ats-flash-rocks-piezoelectrica Category:
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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.

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Flash Rocks - Real Piezoelectric Rocks That SparkFlash Rocks – Real Piezoelectric Rocks That Spark
Original price was: $4.19.Current price is: $2.53.