The Senseez is a vibrating pillow and sensory integration activity designed for use by children with autism or other tactile, sensory, or neurological disabilities. Designed to enhance tactile awareness in children, these vinyl pillows with poly foam fill offer a gentle vibration when they are squeezed or sat upon. The pillow is available in three shapes - square, circle and heart. The round pillow is also available with a furry cover and a tail for additional tactile feedback. POWER: Uses three D batteries; approximately 30 continuous hours of vibration per battery set. DIMENSIONS (LxW): 10 x 10 inches (square); 13 x 12 inches (heart); the circle has a diameter of 12 inches. WEIGHT: 3 pounds (including batteries). COLOR: Blue (square); pink (heart); orange (circle); black and white (circle with furry cover).