Tingbot alternatives

The Raspberry Pi is a series of small single-board computers developed in the United Kingdom by the Raspberry Pi Foundation to promote teaching of basic computer science in schools and in developing countries.

PiTanq is a robot-tank built with open hardware and software. It is powered by Raspberry Pi and comes AI ready - with OpenCV and Tensorflow. Includes camera, GPS, distance meter. There is an Android application to drive it manually. More info at pitanq.com