Baby Talk is a line of interactive plush toys made, especially with your babies needs in mind. Easy to take on the go and store! Each animal makes a different sound, rattles, or squeaks. This set features a volcano house. It includes four dinosaurs, T-Rex, Pterodactyl, Triceratops, and Brachiosaurus that make noise, rattle or squeak. The T-Rex and Brachiosaurus makes a dinosaur sound, Pterodactyl crinkles, and the Triceratops rattles. Each set is roughly 6 inches in size, while animals are 2-4 inches each.