SAND is kinetic—that means it’s designed to stick to itself but not to you. It flows through your fingers just like wet sand, but leaves them completely dry and mess-free. And no matter how you pull, stretch and separate SAND (even if some gets on the floor), it always recombines easily. No vacuum cleaners or mops needed. But here’s the best part: when you’re ready to break out the SAND again, it’s just the same as it was when it came out of the jar. It never dries out and needs no liquid additives. If it does get wet, just let it dry out before playing with it again. It’s that easy