Kids can add some sound to their squishy squashy sculpting fun with this mesmerizing, squishable and colorful compound. Develop creativity and imagination, social and communication skills, and fine motor skills! This set includes four reusable cups of neon colored (purple, green, blue and orange) soft sculpting putty that crackles when you squeeze it for the ultimate multi-sensory experience. See it, feel it, hear it, sculpt it— kids can pop, stretch and squeeze the Playfoam Putty, providing hours of screen-free ASMR fun. Non-toxic Playfoam never dries out so the squishy squashy fun never ends!