This eccentric-hub scooter from the 20th century is powered by the rider bouncing up and down. An eccentric-hub scooter is a two-wheeled vehicle powered by the rider's bouncing motion. Since its first debut in 1928, several variants have been brought to the world, such as Ingo-Bike, Kangaroo Scooter, Bounce Bike, and Whymcycle, and some are still available to purchase. | GIGadgets

Young Innovators from Kalaburagi Create History with 5 World-First Inventions | Gulbarga News

Motorcycles With Secret Transformations You Never Knew! hidden inventions of the past... motorcycles that could turn into boats, tents, and even strange futuristic rides. these forgotten designs from 1927 to 1960 will shock you. were they ahead of their time, or just too strange to survive? watch till the end to uncover the truth. #history #motorcycle #inventions #vintage #technology #mystery #suspense #shorts #fact #unbelievable #reels #didyouknow #tranding #instareels | HiddenLogic