Products set children#17s favorite mysterious space and ancient dinosaur two themes, by 12 large accessories can be self-assembled into a flying saucer, but also can be changed into an ankylosaurus, with music, starry sky lighting, the other 4 types of the same series can be assembled into a "time travel space station", the other 4 types are also from multiple accessories self-assembled into different space and dinosaur forms. A product is different cognition, experience, scene, play point, to assemble, deformation, combination, sound and light multiple toys play point collection.