Art helps children develop creative skills by allowing them to go outside the box. a child allowed to express and experiment freely in creating art develops innovative thinking and visual-spatial skills. get ready for a completely new and incredibly exciting way to play with sand! our sensory sand looks feel and sticks together like wet sand…but it’s completely dry—perfect for creating mess-free castles towers and more! the set includes 10 rugged plastic tools a tray and 2.2 pounds of sand. tray measures 15""l x 10 3/4""w x 2 3/4""h.  this sand game by lakeshore is designed to create a thoroughly engaging & novel play experience for children while encouraging parents to spend some time with their children doing something enjoyable & memorable."