Robot App™ Description
This is a somewhat strange robot. Some say it is a walking robot, but according to the many comments on the youtube video of this Hopper, it's an old lady walking around with a supporting frame. You can build it with just one NXT kit (8527) following the links below.
Developer: Laurens Valk
LEGO®is a trademark of the LEGO Group of companies which does not sponsor, authorize or endorse this app. This app does not feature any of LEGO's copyrighted or trademarked material, and is in accordance with their fair use guidelines.