Toysmith Crystal Growing Kit, Colors May Vary Grow crystals right before your eyes over the course of a few days with this scientific kit. A great science experiment, this hands-on project is a great lesson in crystal formation. This kit contains everything you need to grow amazing crystals including crystal formula, base rock, growing tray, magnifying glass, spatula, and detailed instructions. Give the gift of science with toys and gadgets that foster curiosity and encourage scientific learning. Made using safe and high quality materials, this product is designed to last. Recommended for ages 10 and up. Challenge your children's imaginations and keep them active with Toysmith. Committed to providing the most imaginative toys along with the highest safety standards, Toysmith has toys appropriate for all age groups. Toysmith offers toys for any kind of play: active play, science and discovery, arts and crafts, impulse and novelty toys, and nostalgic retro classics. Great for the "science" enthusiast in your family Everything you need to grow amazing crystals Kit contains: crystal formula, base rock, growing tray, magnifying glass, spatula and instructions It's easy to do and they grow right before your eyes in a few days Colors may vary