A popular STEM toy from Toy Science, Growing Crystals is a miniature crystal grow kit that lets kids create colorful structures in minutes. Each kit includes 1.2 ounces of crystal compound, 1 plastic cup, 1 stirring stick, and 1 stone base. Comes in 6 color options, including red and white, among others. A peggable blister card contains all the necessary materials for 1 crystal. Just add water! • Age Grade: 10+ • Product Dimensions/Weight: 6.0 L x 2.5 W x 8.0 H / 0.2 lb • Inner Pack Dimensions/Weight: 11.4 L x 6.3 W x 6.7 H / 1.1 lb • Made In: Taiwan • Batteries not required