Learning language is tons of fun with our exclusive compartmentalized communicators. Each compartment has space for objects and frames for photos or icons. Just activate one of the colorful switch plates to turn on a light and hear a 20-second message. Builds skills like classification, sequencing, function, opposites and comparatives! Comes in two, three, and four compartment options. Four compartment size: 18″L x 10″W x 6″H. Weight: 2½ lbs.