My World Mechanosaurus Rex Walking Dinosaur Build your very own walking dinosaur with this awesome interactive model that will teach kids basic mechanics and things work. This brilliant set comes with everything you’ll need to construct your dinosaur including a wooden template, motor, glue, screws and screwdriver! This fun set is the perfect educational tool to get your children learning and interested in the mechanics of how things work and move. Warning: Choking Hazard. Small Parts. Not suitable for young children.