Grow sparkling crystals overnight from a safe solution of potassium aluminum sulfate.
Single out the largest crystal shard, redissolve the remaining crystals, and repeat the crystal formation process to grow a larger, more striking crystal.
These kits include all the materials and tools you need to grow a single crystal, as well as a small hexagonal storage box in which to keep your crystal safe. Available available in pink, green, blue, yellow and mystery.