Ordinary Sand Reimagined to Extraordinary Zzand Instead of offering your child conventional board games or electronics that don’t offer much to their cognitive development, give them this sensory activity that will keep them busy for hours. They’ll love creating using the stretchable Zzand and included tools, and parents will love the mess free play. Introducing The Sand-Tastic Stretch Play Sand by Zzand Stretch Sand! The Zzand Stretch Sand Kit is here to change your life. Equipped with all the sand your kids might need and a variety of tools to start their games, they will only have to add their imagination. Let the fun and games begin as they create imaginary worlds of sand, squish them flat and start all over again.