Sands Alive is one of the most amazing and unique learning and play compounds. Sands Alive! is 100% non-toxic, anti-bacterial and won't stain. Picks up easily off floors and carpets. Mold it into hard durable shapes, and with a soft touch, it will break apart and appear to move, almost as if it were alive!It easily molds into detailed shapes, making the building possibilities as big as your imagination. It flows when broken apart, moving like it's apart! Won't dry out, safe and non-toxic. It's even anti-bacterial too!