Enjoy this sensory toy on your own or invite friends to join in on the fun. You will get to play with 4 stress balls that have different colors and textures. Discover which ones are porcupine, koosh, mesh or spike! Nerves and muscles will stimulate and contract as you squeeze your ball, this will improve the nervous system and curb stress levels. Play a fun game of catch or attempt to juggle with your new squishy balls. Creative play has never been this easy or mess-free!