Meet the StreetStrider 3i Elliptical: a fun exercise machine you can use indoors to burn calories. More importantly, you can take it outside to have more fun working out. It is a stable 3-wheel platform that fits riders from 5′ to 6’9″. Its 3-speed Shimano Nexus transmission provides you with multiple resistance levels.
The elliptical keeps your core engaged at all times. It folds to fit in your home. It goes easier on your joints too. Not cheap but a lot of fun.