$8 Shipping & Free Shipping on Orders of $100!

Flashing Rocks

Flashing Rocks

Regular price
Sale price
Regular price
Sold out
Unit price
Shipping calculated at checkout.

Knock them together for an electrical effect. Develop and exercise problem-solving, fine motor skills, organization, concentration, and so much more! 

Check out all the available Copernicus Toys here


  • 2 quartz rocks with piezoelectric properties
  • Spark and glow in the dark when rubbed against each other
  • Do not hit these rocks together - just rub
  • Best observed in a darkened room
  • A product of the USA

Copernicus has always & forever been a family owned & operated business. Their mission is to create play that sparks imagination and curiosity. They see play as a way that kids can discover themselves and the world and stretch what toys can be and should be.