Fun Playset with Castle Molds, Tools, and 12 oz. of Kinetic Sand for Ages 3 and Up Bring home all the excitement of the beach with the Kinetic Sand Beach Day Fun Kit! We've included everything you need to treat your little one with endless giggles. Neatly contained inside one sandbox is enough Kinetic Sand for your child to squeeze, mold and make their dream sand castle. If you're looking for an indoor sand mold set that will keep your children excitedly occupied for hours, the original Kinetic Sand is your best bet. Experience the Difference Not all indoor play sand is the same. Some sticks to hands, hair and molds, but Kinetic Sand is the original magical sand that flows through your fingers like liquid, leaving them completely dry. Since it sticks to itself, clean up is a breeze.