Dinosaur Expedition In My Room Batteries: 3 AA batteries (included) Create an awesome light and sound experience on your wall like you've never seen! Use the peel n stick decals to design the dinosaur jungle scene! Sun ray light effects gently fade in and out, illuminating your wall, just like being out in the jungle. With prehistoric jungle and dinosaur sound effects, the synchronized light and sounds bring the scene to life! Features: Dinosaur decal is over 24 inches high Light effect spreads over 20 sq. feet FX Activator mounts easily to the wall with included hardware