Had to look it up and bruh it’s an awesome machine - at least the one I found. It can go up to 8km/hr and comes with the remote control so your big brother can launch you off the stoop.

Years ago now there was a young boy in Florida that couldn't afford a prothstetic because the cost. Some students from The University of Central Florida heard about it and got with mechanical engineering students there and made a 3D printable prosthetic for the boy, with cheap printable growth designs for future years.

It ended up spawning a non-profit tied to the University called Limbitless solutions. They now design free prosthetic designs for hospitals around the country to ensure affordable access for families that need them. Not sure what their quality is like, nor availability.. but truly a good story

https://mae.ucf.edu/limbitless-solutions-how-charity-is-helping-kids-get-trendy-bionic-3d-printed-prosthetics-for-free/