The Musical Hands Mat is a sensory integration activity designed for children with physical, cognitive, neurological, and visual disabilities. This lightweight mat can be spread out on any flat surface and features eight musical keys with a textured hand print on each one of them. When one or more of the handprints is pressed, musical notes or animal sounds are heard. For an added challenge, children can also follow the flashing lights above the keys to play songs. POWER: Uses two double-A batteries (not included). DIMENSIONS (LxW): 45 x 11.75 inches. COLOR: Royal blue and yellow with blue and red handprint keys.