The Touch Light Panel, models 3113B, 3113G, 3113L, 3113O, 3113P and 3113R, are touch activated toys designed for use by children with severe physical disabilities. Each panel offers tactile, visual and auditory stimulation to the user when touched. It has a distinct texture, has adjustable vibration, is brightly lit, and plays a variety of songs our other sounds. The lime Touch Light Panel (model 3113L) plays sounds of nature when touched, and the other models play a calming song. Each panel has six songs (or nature sounds) with a play time of approximately 20 seconds each. The panel is designed to be mounted on a wall. OPTIONS: Track system for light panels (model 3116). POWER: Uses four C batteries. DIMENSIONS (HxLxW): 3.5 x 13.5 x 15.25 inches. WEIGHT: 4.5 pounds. COLOR: Blue, green, lime, orange, pink, and red.