Abilitations Textured Sensory MudBall Fidgets, Set of 3 Surface provides both tactile and visual feedback to aid in fine-motor control and sensory processing Snake hidden inside encourages squeezing to help promote intrinsic hand strengthening Spongy texture helps provide tactile feedback to aid with sensory processing and calming Made with vinyl exterior for strength and filled with beads or sand Environmental versatility, for use at home or the classroom