The Teamsterz Metal Kits include a variety of assorted designs, from racing cars and bulldozers to airplanes and motorcycles! With all the metallic components and a screwdriver to build and play, the Teamsterz Metal Kits encourage kids to learn key engineering, mechanical and problem-solving skills. Perfect for any little motor or mechanical obsessive, the Teamsterz Metal Kits are ready for retail in a counter display unit. CDU Assorted Designs Ages 6+ Screwdriver Included With pre-drilled metal pieces and screws and bolts for general assembly, the Teamsterz Metal Vehicle Construction Kits include rubber tyres for pushing and pulling over various surfaces!