---
product_id: 60956285
title: "4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch)"
brand: "mountain ark"
price: "¥3154"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/60956285-4wd-obstacles-crossing-robot-smart-car-chassis-kit-aluminum-alloy
store_origin: JP
region: Japan
---

# 4WD Power Speedy Motors DIY Fun 4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch)

**Brand:** mountain ark
**Price:** ¥3154
**Availability:** ❌ Out of Stock

## Summary

> 🚀 Build, Conquer, and Innovate with Every Turn!

## Quick Answers

- **What is this?** 4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) by mountain ark
- **How much does it cost?** ¥3154 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/60956285-4wd-obstacles-crossing-robot-smart-car-chassis-kit-aluminum-alloy)

## Best For

- mountain ark enthusiasts

## Why This Product

- Trusted mountain ark brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Design:** Aluminum alloy chassis ensures longevity and stability.
- • **Quick Assembly:** Get started in just 10 minutes—no waiting, just building!
- • **Conquer Any Terrain:** Off-road rubber tires for ultimate grip and shock absorption.
- • **High Torque Performance:** Each motor delivers a powerful 9.5kg.cm stall torque.
- • **Unleash Your Inner Engineer:** Transform your ideas into reality with this DIY kit!

## Overview

The 4WD Obstacles Crossing Robot Smart Car Chassis Kit is designed for DIY enthusiasts and STEM education. Featuring a robust aluminum alloy chassis, high-performance DC motors, and off-road rubber tires, this kit allows users to navigate various terrains with ease. Perfect for Arduino and Raspberry Pi projects, it offers a fun and educational experience while promoting hands-on learning.

## Description

Application: For Arduino /Raspberry Pi DIY: Tank, Chassis, track, smart car, robot, obstacle avoidance Smart car, Video Surveillance, Arduino DIY, Raspberry Pi DIY, STEM Education Specification: Battery Voltage: 3.7v 18650*2 Motors: 4 pcs Hall motors Motor voltage: 9v Load current: 1200mA Motor Speed: 150±10% (no-load) 100±10% (load) Platform Material: Aluminum alloy Product color: silver Wheel: Diameter: 3.1" (8cm)" width: 1.1''(3cm) Wheel Material: Aluminum alloy + rubber Product size: 23*21*9cm / 9.0*8.2*3.5inch Package size: 27.5*17*5.5cm / 10.8*6.6*2.1inch Gross weight: 1145g / 2.5lb Package: 1*4WD Robot Smart Car Chassis Kit

## Features

- 4WD Robot Smart Car Chassis Kit - high power and outstanding performance in obstacles crossing. obstacles crossing angle ≤45°
- Off-Road Rubber Tire - Rubber Tire offers Shock absorption and anti-skidding. It can be widely applied in wide range of surface.
- High Power Motor - each motor with 9.5kg.cm stall torque and 3000g.cm Load torque, 4x DC 9V Motors are equipped with a speed feedback circuit and Hall speed. NOTE: Battery is not contained
- Aluminum Alloy Chassis - offer outstanding appearance, higher durability and stability .
- Enjoy DIY fun - It comes with Unassembled accessories.You can DIY for your Arduino Raspberry learning. It will take 10 mins to finish installation.

## Images

![4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) - Image 1](https://m.media-amazon.com/images/I/71PAOjWMQDL.jpg)
![4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) - Image 2](https://m.media-amazon.com/images/I/71YL6F4KW0L.jpg)
![4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) - Image 3](https://m.media-amazon.com/images/I/817MEmB6IcL.jpg)
![4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) - Image 4](https://m.media-amazon.com/images/I/71hR-Lzq3iL.jpg)
![4WD Obstacles Crossing Robot Smart Car Chassis Kit - Aluminum Alloy Chassis + 4 pcs DC 9V Hall speed Motor + Off-Road Rubber Tire 3.1'' for Arduino Raspberry Pi DIY STEM Education (9.0x8.2x3.5inch) - Image 5](https://m.media-amazon.com/images/I/810W7QjPWlL.jpg)

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.jp/products/60956285-4wd-obstacles-crossing-robot-smart-car-chassis-kit-aluminum-alloy](https://www.desertcart.jp/products/60956285-4wd-obstacles-crossing-robot-smart-car-chassis-kit-aluminum-alloy)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-27*