The Singing Sunrise Busy Box, model 504, is a sensory busy box designed for use by children with cognitive or severe physical disabilities. The toy also teaches cause and effect. This toy offers a variety of tactile experiences, songs, multi-colored blinking lights, sounds, and vibration. Animal sounds include an owl hooting, a woodpecker pecking, geese honking, and birds singing. Music includes friendly upbeat songs about the planet we live on. Volume is adjustable. POWER: Uses 8 double-A batteries. DIMENSIONS (HxWxD): 12 x 13 x 12 inches.