All Terrain Self Propelled Wheelchair This Type of wheelchair can handle any outdoor terrain, including cobbles, mud and gravel. It can also be used on grass or snow. This type of wheelchair can also be used indoors for use. This chair is self-propelled which allows the user to choose their https://www.mymobilityscooters.uk/products/lightweight-self-propelled-folding-wheelchair-with-hand-brakes