Features: The chassis of this car adopts convenient for users to assemble and disassemble according to different needs, improves flexibility and expansibility, and is suitable for projects. The wheel provides superior maneuverability, ensuring smooth driving on all kinds of terrain, and is suitable for various scenes such as education, scientific research and entertainment. All interfaces are carefully designed and matching with standardized screws, which ensuring assembly process, and at the same time, each component is strictly tested to ensuring a good user experience. This product adopts more wear-resistant composite materials, which effectively improves the durability and is not easy to be damaged even under frequent use. It is suitable for all kinds of robot competitions, such as track race, obstacle race., and provides platform for contestants to focus on program development and strategy improvement. Specifications: Component:Plastic+Acrylic Size:Approx.13.5x7.5cm/5.31x2.95inch Package Includes: 1 Set Car Chassis Bracket note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.