Building your own robot sounds like the crowning achievement of a scientific career. However, modern educational and maker trends offer simple, even homemade alternatives - find out on the Botland Blog.
Making a DIY Arduino RC Robot Car - Part 1: Selecting Parts and Building the Robot - Ec-Projects
Buy Chassis Round 2WD - Robot Chassis with DC Botland - Robotic Shop
DIY Remote Controller Arduino Long Range Remote Controller for RC Robot
Buy Chassis Rectangle 2WD 2-wheel robot chassis Botland - Robotic Shop
TSCINBUNY Arduino UNO Circuit Board Programmable IDE Smart Robot/Robot
DIY Wireless Arduino Bluetooth Car Controlled by Mobile
Arduino RC Robot : 11 Steps (with Pictures) - Instructables
DIY Wireless Arduino Bluetooth Car Controlled by Mobile
Building instructions 4WD Arduino Robot - Project Guidance - Arduino Forum
This is a newly designed 4-wheel car frame that can be used with other devices to realize function of tracing, obstacle avoidance, distance testing, autonomous driving, wireless remote control, etc. The smart robot car chassis has plenty of fixed mounting holes and room for expansion to add various sensors, actuators and controllers (such as Arduino, Raspberry Pi, Micro bit).
for Arduino Robot Car Kit, LK COKOINO 4WD Smart Robot Car Chassis Kit with Motors, Wheels and Battery Case for Arduino/Raspberry pi/Micobit Robot
Bluetooth Controlled Robot Car : 13 Steps (with Pictures) - Instructables
UcTronics - Driving Robot Construction Kit + Botland - Robotic Shop