Grow spectacular crystal caves right before your eyes!
From the outside, a geode looks like an ordinary rock. But inside is a miniature cave - filled with sparkling crystals! This kit allows you to create your own geodes with a diameter of up to 5" (13 cm). Cast the geode shell, add crystal growing solution, and watch how crystals grow inside the cavity.
Excavate, restore, and grow! Emerald and Topaz Crystal Mines and Crystal Growing kit by Kristal Education delivers a slab of sediment. It's up to you, the rock hound, to dig, uncover, and identify the 15 gems and minerals hidden inside the mines. Then dissolve pre-mixed chemicals in water and within hours watch sparkling "topaz" and "emerald" crystals start to grow....