This simple and fun project has been around for decades and is still as entertaining as ever. Simply place colored stones into a solution and watch them grow into beautiful, colorful crystal formations. Crystals begin to grow in ten minutes and will amaze kids of all ages. The rocks come in bright multiple colors.
Includes Magic Rocks, Sodium Silicate, Decal Sheet, Growing Solutions, and Detailed Instructions.
Create a brilliant underwater garden! Rocks grow to different heights up to 4 inches.