4 years & up. It's the sand that never gets wet! Slick Sand is hydrophobic sand that adds new excitement and exploration to water play. Place the sand into water then form and shape into underwater sculptures and more. The possibilities are endless! Remove from water to reveal completely dry sand. This safe, non-toxic sand can be used again and again. Colors include red, yellow, blue, green, and purple. Made in the USA. Included: 1 lb. of sand in each color.