Skip to product information

Colorful Growing Orbs Test Tube

Sorry, this item is out of stock
Brand: Steve Spangler Science
SKU: 3500
Age: 6+
The pebble-size spheres grow into colored jelly marbles after you soak them in water for a few hoursThese colored spheres are like Jelly Marbles, but they never lose their amazing colorExplore the science of polymers