Building Block Toy Set- 3-in-1 mechanical disonaur building block set has 400-800 parts and has 3 modes that can be freely converted, such as mechanical velociraptor, fighting dinosaur and mecha form. Let you enter the mechanical world of architecture and start an exciting journey. This is a very creative and popular transforming robot toy set. 100% Child-Safe Material- This building block set is made of high-quality ABS. Smooth edges, non-toxic, BPA-free, and child-safe, ensuring durability and hours of creative fun. Kids will enjoy the dinosaur adventure game with courage and creativity! Rich Details - This impressive dinosaur construction toy set comes with unique weapons and cool design, the hands can rotate, the mouth can open, the back can fire bullets, the stable feet and tail can rotate; kids You can play it alone at home or with friends. Learning through Play - Suitable for all ages. This building block set for kids includes a full-color instruction manual showing easy-to-follow steps. Building toys help develop children's imagination, creativity, hand-eye coordination, teamwork and problem-solving skills. Exquisite Gift- This dinosaur building block toy is designed for little hands to hold and is easy to assemble and disassemble; perfect as a birthday gift, Easter basket, school classroom supplies, room decoration, etc.!