The arched waterfall, sky, and volcano can be stacked with the dinosaur characters for a challenging, puzzle-based game. AUDIBWhen the train passes the special rail, you will hear dinosaur roars, a train whistle, or a cheerful melody. Great for developing color recognition, spatial thinking, fine motor skills, and improving language and social skills as they play with friends and family. The bucket's lid has dinosaur-shaped holes for blocks to fit into for an added activity that also helps to develop your child's problem-solving skills. The storage bucket doubles as part of the scenery and it is easy to store all the accessories in the bucket, which also helps children to improve their tidying and organization skills. Ages: 18+ Months