This dinosaur set is very magical, using luminous building blocks that have stunning effects at night. You can also collect a complete set of 4 dinosaurs, including Tyrannosaurus rex, Triceratops, Velociraptor, and Spinosaurus. Our building block toys can enhance children's hands-on ability, intelligence, imagination, and creativity. This is an educational tool for children, and realistic dinosaurs help them understand the Jurassic world and the body structure of dinosaurs. Note: The building blocks use mini building block particles, which are slightly smaller than mainstream brand building blocks. But it has better shape restoration effect and more exquisite detail expression. Clear Manual makes installation very Simple There is a manual in the package, which includes clear instructions and color graphics. Under the guidance of the clear manual, kids can follow the installation steps and build the items easily. The finished building blocks have stable structure and are not easy to separate. High Quality Materials and After-sales Service ZIYOSTAR's all blocks are made of high quality ABS material with smooth edges, durable and washable, and reassembled. ZIYOSTAR is committed to providing customers with quality after-sales service. If you have any problems, please feel free to contact us. We are at your service. The best results can be obtained for any problem.