Product Name: DIY 4 Wheels Smart Robot Car Chassis Kit with 4AA Battery Box for Arduino Model NO.: FUT5033 Certification: CCC Function: Driving Operating Speed: High Speed Application: Education Trademark: FUT Transport Package: ESD Antistatic Bag Specification: 452g Origin: China HS Code: 8501101000 Product Description Description:Mechanical structure is simple, very easy to install.The car comes with tachometer encoder.Uses four deceleration direct current machine curve to be nimble, the directivity is good. Four actuations, horsepower fullness. The chassis big and steady very easy to expand.Installation steps: STEP 1: Insert the fastener into hte chassis after tearing off the yellow protection wrap of the chassis,the fastener and the code wheelSTEP 2: Install the code wheel and fix the motor to the chassis .(Attention,the copper sheet of the leading wire of the motor should face outward,the same side of the wheel)STEP 3: Fix the motor to the chassis ,then insert and tighten the screws.STEP 4: Insert the screws and fix the battery container.STEP 5: Insert the spacer and tighten the 8 screws to fix the hammer caster.Hold tight and insert the motor(protection fastener) to the wheel .Application:- Uses four deceleration direct current machine curve to be nimble, the directivity is good. Four actuations, horsepower fullness. The chassis big and steady very easy to expand.- Educational toys, help to improve the ability of children, suitable for young people at key stages of heart development.- With a car platform, add some micro-controller and sensor modules, and program it. Then you made your own robot car.- DC 6V 4-wheel Robot Smart Car Chassis Kits car with Speed Encoder.- Educational kit for beginners(kid) to get hands-on experience about Robotics & Can extend electronics system like etc to realize function of tracing, obstacle avoidance, distance testing, speed testing, wireless remote control.Packing List:2 * Car chassis4 * Gear Motor with wires (1:48)4 * Speed encoder8 * Fasteners1 * 4aa Battery box4 * wheel