Interested in building a tracked robot that can handle tough terrian? Check out Sain Smart’s all metal tracked chassis. Weighing in at 768 grams, this chassis can carry up to 8Kg. The small but sturdy chassis measures 200 mm x 150 mm x 90 mm.
The kit includes a stainless steel platform, 6 bogie wheels and the necessary screws, and is designed to work with an Arduino and 12V/350 RPM motor. (Note that the Arduino is not included.)
You can purchase the kit for $92.46 from SainSmart.