Spot is the latest quadruped robot from Google's Boston Dynamics group and its lifelike movement catches the attention of a real dog called Cosmo! Spot is a four-legged robot designed for indoor and outdoor operation. It is electrically powered and hydraulically actuated. Spot has a sensor head that helps it navigate and negotiate rough terrain and it weighs about 160 lbs. If you’re interested in learning how to design and build your own robots you can access the design files and assembly guides