Features Robust Design – Lightweight plastic tank chassis offers a sturdy foundation for DIY robotics enthusiasts and hobbyists. Its ability to absorb shocks allows for a smoother operation on variable terrains, giving it the versatility needed for different projects. Customizable Motor – Equipped with a standard 130 motor, this tank chassis can be easily upgraded. Users have the option to install a high-quality motor of the same model, tailoring performance to their specific requirements. Flexible Power Range – With support for a 3V-7V power supply, this tank chassis is compatible with a variety of electrical systems, making it convenient for integration with other components or educational kits. Convenient Power Management – Chassis includes a designed-in holder for AA batteries and a DC charging port, simplifying power management and ensuring that your tank or robot can run longer and more reliably. Educational Tool – This tank chassis kit is not only fun but also an educational asset. It's ideal for teaching concepts of physics, mechanics, and electronics, providing a hands-on experience in robot assembly and operation. Features:This is a great lightweight plastic tank chassis used for making tank toys or robot projects. It has good shock absorbing effect, you can press down 0.7cm.With a general 130 motor which you can replace with the same model high quality motor.This plastic tank chassis supports 3V-7V voltage and can be used with many systems. Designed with battery holder for AA batteries at the bottom, and DC charging port at the tail. Specifications:Main Material: PlasticSize: 18.5*9.7*5cm/7.28*3.81*1.96"Voltage: 3V~7VBattery: 4pcs AA batteries(not included)Weight: 175g(approx.)Quantity: 1 Package Includes:1 x Tank Chassis(Batteries are NOT included) Package List