Premium and Safe Material - These construction trucks are all made of quality plastic ,non-toxic and environmentally friendly materials,Die cast trucks with plastic parts, working wheels with sliding function.Make sure children are safe to use and enjoy engineering toys set game. Mobile Engineering Vehicles - These simulated vehicle toys have a good structure and can be operated by inertial sliding. This is the perfect gift for children to play and enrich their imagination. It is made of high-quality materials, compact, exquisite, drop-proof and anti-collision. It is simpler and safer. Creative Educational Game - This construction play not only provides your kids hours of entertainment, but also allows them to experience the car's function and traffic knowledge while exploring the possibilities of life through imaginative games. Great to develop thinking skills, shape recognition, creativity, hand-eye coordination, and more. A total of 6 cars "all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."