Rub these rocks together and get ready for an electrical show- they glow internally!
This mineral has piezoelectric proprieties. When subjected to mechanical stress, these two little rocks generate an electrical charge!
Flash Rocks
$7.50
Rub these rocks together and get ready for an electrical show- they glow internally!
In stock
Related products
-
Hand Boiler- Spiral
$6.75 -
Sci-Fi Tube
$11.95 -
Bioglo: Bioluminescent Aquarium
$89.99 -
Aerogel
$16.00
