This green bumpy turtle with tail (to fiddle with) is a vibrating cushion comes in the shape of a circle and offers a gentle sensation when it is squeezed or sat upon. It is made from a beautifully soft and tactile fabric. Some kids even enjoy lying on the floor with the cushion under the tummy. The Senseez Vibrating Pillow can be used as a calming, soothing or relaxing tool/strategy for school, home or on-the-go. They are also often used to help children stay seated. It is designed for children who have difficulty: sitting in one place finishing a task getting distracted easily with tactile sensitivities with concentration Inside is a vibration device (requires 2 AA batteries, not included).