This 44-piece train set offers a whole world of dinosaur play fun, featuring a volcano that erupts with light, sound and realistic steam effects, as well as eight playful dinosaurs in different bright colors with movable limbs and BRIO magnets to interact with the world around them. The set also includes a handy storage box that converts into a play mat.About BRIO World: BRIO World is our open-ended play system that grows with your child. All the toys in BRIO World fit together and can be combined to create a play world that is perfect for encouraging child development. It allows endless combinations for imaginative play fun waiting to be explored. This playset fits perfectly into this concept. The Dinosaur Deluxe Set contains 44 pieces: 8 x dinosaur figures, 1 x volcano with eruption function, 1 x lava cave, 1 x grass cave, 1 x dinosaur train with wagons, 4 x landscape rail pieces, 3 x rail supports, 18 wooden rails/switches and other railroad accessories.