Crystal craze is a one-stop shop on how to grow different types of funky and glamorous homemade crystals. In one of the most comprehensive crazy scientist lab kits ever, covering 18 experiments, our young scientists will be working with exciting materials such as copper sulphate, alum, Epsom salt, and saline solutions. They will learn about the various types of crystals, why and how they form, and eventually create a variety of different shiny and colorful crystals! Recommended for 1 player, ages 10 and up. Made in China. Package dimensions: 9. 625 x 6. 500 x 1. 625 inches. Includes guide, 2 pipe cleaners, wooden sticks, thread, spoon, magnifying glass, alum salt, copper sulphate, Epsom salt, Petri plate, chemical cup, rubber gloves. Learning Skill: Science Recommended Ages: 10 Years And Up Measurements: 9.625 Length/Inches Assembly: Assembled Base Material: 100% Plastic Care: Wipe Clean Country of Origin: Imported