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| Price /Unit | $273.20 | $267.63 | $259.27 | $248.11 | Contact US | 
 Double-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 80mm Mecanum Wheels
                                                $90.07
                        Double-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 80mm Mecanum Wheels
                                                $90.07
                                             Single-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 80mm Mecanum Wheels
                                                $85.18
                        Single-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 80mm Mecanum Wheels
                                                $85.18
                                             Double-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 60mm Mecanum Wheels
                                                $85.73
                        Double-layer 42 Stepper Motor Intelligent Robot Car Chassis 4WD Chassis with 60mm Mecanum Wheels
                                                $85.73
                                            4WD Smart Robot Car Kit Programming Robot Car Unassembled with Mecanum Wheels For Scratch
Attention:
- It is an AI robot programming education product for elementary and middle school students.
- Provide assembly video and learning materials. 
- Product control is divided into version for Scratch and version for Micro:bit. Except for different types of control boards and programming software, their functions are basically the same.
Features:
- Move in all directions
- Graphical programming software
- Mobile phone APP programming control
- DIY creative building block programming 
- Dot matrix interaction 
Specifications:
- Control system: Programming for Scratch 3.0 (independently developed software Hello Maker Code); Main expansion board for Micro:bit 
- Electronic module & sensor: Ultrasonic sensor/dot matrix display module/RGB lamp
- Control method: Bluetooth communication, APP control for Android
- Power supply voltage: power supply lithium battery working voltage 7.4V (battery is not included)
- Total weight: 3200g 
Package Included:
- 1 x Controller For Scratch
- 1 x 80140 Board 
- 2 x Horizontal Wings 
- 2 x Straight Side Boards 
- 3 x 3080 Boards 
- 1 x Front Cover 
- 18 x 2020L Brackets 
- 1 x Connect Tube 
- 1 x Dot Matrix Sensor 
- 1 x U-shaped Bracket
- 1 x Installation Board For Steering Gear 
- 2 x Vertical Wings 
- 4 x 80mm Mecanum Wheels
- 1 x Dual-shaft Steering Gear 
- 4 x Motor Brackets 
- 2 x RGB Sensors 
- 1 x Ultrasonic Sensor
- 4 x Motors 
- 1 x Main Control Board Kit
- 1 x Bag of Parts 
Note:
- Assembling is needed. 
- Battery is not included. 
- Optional colors: Peacock blue, pearl white. Please choose the color you want when purchasing. Thank you!