SENSORY STIMULATION - Sculpting, hydrophobic, and sensory sand along with putty and slime look and feel amazing. Great STEM gift for boys and girls. | PLAY LONGER - The sands, putty, and slime are reusable providing fun, interactive, and creative play day after day. | BETTER TOGETHER - This is a great collaborative play pack to enjoy with friends, family, or classmates. Perfect learning activity for kids! | PUT YOUR THINKING CAP ON - Our detailed learning guide is packed with science facts making it the ultimate sensory science kit. | HIGH-QUALITY EDUCATIONAL TOYS - We proudly make the highest quality hands-on science toys, and all our products are backed by exceptional service. If your experience isn't stellar, we'll make it right!