ROBOT CHASSIS -- The crawler robot chassis is made of high-strength aluminum alloy, which is very strong and durable. This robotic tank chassis kit comes with a metal frame that won't break easily. And the panel is sandblasted and oxidized . RC TANK CHASSIS -- This tracked robot car chassis, with low noise and easy control, is very suitable for beginners to learn robotics knowledge. Suitable for students to learn Arduino/Raspberry Pi/microbit. In the manual, we will provide the Arduino code. HIGH TORQUE DC MOTOR -- The motors are the core of the robot tank chassis. The RC tank chassis is equipped with 4 high torque encoder DC motors, strong magnetic band and anti-interference, making it easier to walk in harsh ground conditions .It can get speed feedback through Arduino UNO R3/Raspberry pie/Micro-bit programming. APPLICATION -- This tank chassis kit is perfect for makers, school students for robotics learning, STEAM education, teaching, competitions and research projects. ve your ability, expand your brain by assembling and designing robot cars. This is a great gift for friends/family/teens who are interested in robotics. PACKAGE INCLUDED -- This TT04 robot tank chassis kit includes 1pc metal frame, 2pcs plastic driving wheel, 2pcs plastic Bearing wheel, 2pcs engineering plastic tracks, 4pcs TT DC motors and 1set screws & tools. Sizes: 7.6 x 6.4 x 2.4 inches.  Any question about the tracked tank chassis, please do not hesitate to , and we will reply you as soon as possible.  Introduction Smaring: Wing TT04 Intelligent Robot Tank Chassis Kit is an educational learning kit designed for beginners. It is an integrated solution for robotic learning and education. Ideal for makers, school students for robotics learning, STEAM education, teaching, competitions. It improves your child's logical thinking, mechanical and electrical abilities, and lets your child learn how to build and program fully functional robots.  Product Parameters: Name: TT04 Robot Tank Chassis Size: 7.6*6.4*2.4 inch / 193*16 3*60 mm ( length*width*height) Motor: TT DC motor Code Disc: Plastic Driving & Bearing Wheel: Plastic Crawler: Engineering plastic, wear-resistant, detachable to any lengthWorking Voltage: 6V Working Carrying Capaticy: 0-3Kg Note: For more details please download the source code and documentation at gitnova. Metal Frame Parameters: Material: Metal Size:5.31*2.95*1.38 inch Feature: Metal material, sturdy and durable. The control kit, motor and battery can be mounted on it.TT DC Motor  Parameters:Working Voltage: 6V (recommended to be about 3-6v) Reduction ratio 48:1 Strong magnetic band and anti-interference Voltage no-load current no-load speed Shipping List: 1pc Metal Panel 2pcs Plastic driving wheel 2 pcs Plastic Bearing wheel 2pcs Engineering Plastic Track 4pcs TT motors with encoders 1set Screw kit Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.