3 years & up. Designed to stimulate fine motor, sensory, and cognitive development, Kinetic Sand™ is indoor play sand with properties of motion. Mold it into endless shapes and watch as it melts before your eyes. It's perfect for open-ended, non-directed play and leaves no sand or residue on your hands. Kinetic Sand™ is also great for kids with allergies - it is wheat, gluten and casein free and 100% safe and non-toxic. Available in 2.2 lbs. and 11 lbs.