Construct-A-Saurs Walkers, Stegosaurus Build your own walking dinosaur! Dino-fans (both kids and adults!) will enjoy building these prehistorically fun beasts, winding them up, then watching them go Contains 42 pieces, including pre-punched plastic puzzle pieces and a wind-up motor Completed model size: 5.25" x 2.5" (13.5cm x 6cm) For ages 6 and up