4M | Crystal Growing / Dino Crystal Terrarium | 48603926You will have a fascinating chemistry experiment growing colored crystals at home! With the 4M Discovery Kit, you'll learn interesting facts about crystals and create an oasis with palm trees and dinosaurs. Watch the crystals grow into unique shapes. Using a stand with a transparent cover, create a composition for your collection using the grown minerals and figurines from the set. The Dinosaurs 4M Crystal Growing Kit comes with four hexagonal jars of