Let this dino go wild or train him to be mild! In wild mode, his eyes are red and he makes wild movements and growls. In training mode, place the collar around his neck, and his eyes turn green and he becomes calmer and makes friendlier sounds. Have him follow you, and pet him and he will respond. Moves forward/reverse and left/right. Remote uses 2 AAA batteries, and dino (12 1/4" l x 4 1/2" w x 6 3/4" h) uses 4 AAA batteries (none included). Ages 5+.