The Sumo Robot Wind Up Gadget is device that gives you a little bit of hand exercise as you crank it and in return, the sumo wrestler will entertain you by acting up.The robot is juiced up as you crank the wind-generator attached. This is also translates into the fact it doesnâ€™t need batteries.
The reverse and forward movements depend on the direction the handle is turned. For $28, itâ€™s the perfect gadget to crumble boredom. If you have an inclination for fighting Robots, check out the Fighting Robot DIY too.