The Volkswagen Roller is a new-age roller skate. It’s autonomous, and hands-free. The design comes with two main hubless wheels and two retractable rear wheels. Each roller comes with a hard-plastic s(Cool Designs Inventions)
In the late century, doctors began recommending that parents in urban apartments regularly expose their children to fresh air. For London parents, whose apartments lacked yards, the baby cage became a popular alternative.