Open Box V2.1 Robot Car for Arduino magnetism experiment kit Support for external 5V ~

Support for external 5V ~ 12V DC power supply

External power switch

and mechanical design practice

Heat sink for better performance

Open Box V2.1 Robot Car for Arduino magnetism experiment kit Support for external 5V ~This is a refurbished robot car from returning product. The return is due to missing parts. We've filled in the missing parts. The quality and functionality is exactly same as original new product except the pack box is used. You will save 50% from original price. Only available to USA buyer. The detail of the original product is as following: HEAVY DUTY, REAL PREMIUM CONSTRUCTION Designed by World Class OSOYOO Engineer Team in Canada and Japan. We