SnowSnaker

www.patscheider.com

Personal Rover

www.youtube.com/user/boatstogo
www.youtube.com/user/PersonalRover
www.personalrover.com

Rolling Legs

invented by Gábor Dolhay
dolhay@gmail.com

www.youtube.com/user/TheGabord18

ViiRoll

csepiattila@t-online.hu
www.youtube.com/user/andyka72

RoamBoard

www.liquidroam.com
www.gizmag.com/roamboard-stand-up-transportation-solution-launched/19676/