Kids can love using Galt's Bouncy Balls to make their own multicolored - every one is different. Just layer the glow-in-the-dark crystals in one of the included molds, add water, and wait a few minutes. Voila - you have your own unique ball to toss and bounce. The kit makes 2 large or 8 small bouncy balls. Contents: 8 packets of crystals, 2 ball molds and instruction guide. Suitable for children 8 and over. Just one of Galt's fabulous make-and-do activity kits - perfect for rainy days, quiet time, car trips and plane travel. Galt Toys are designed to meet each stage of a child’s development and encourage learning through play. All Galt products meet the American, Canadian, British and European safety standards. Galt began as a schoolbook seller in 1836, and is now a brand leader in quality developmental and creative products for children.