Spinosaurus with light and sounds Giant Spinosaurus in approx. 15.75inch length Spinosaurus with articulation. Arms, legs and jaw are movable This Spinosaurus means business, and it's out on the prowl! Possessing the lanky length and terrifying tonnage of a modern-day crocodile, the Spinosaurus has three-fingered hands with claws on each, and neural spines on its back and tail, which are its back-bones. Press the button to see its spines light up and hear ferocious roaring sounds. Spinosaurus has a poseable jaw, arms, and legs. On land or at sea, this big terror is sure tough to corral!