See also: How to make a quadruped walking robot http://scratch.mit.edu/projects/abee/2297128 LEGO NanoRoid A bipedal walking robot made with Lego Crazy Action Contraptions. http://www.amazon.com/dp/1591747694 It can be controlled from Scratch with a NanoBoardAG as a WeDo. Video: http://www.youtube.com/watch?v=tt3VbKmZkZs Simulation: http://scratch.mit.edu/projects/abee/2275731 For more information: https://plus.google.com/u/0/photos/117983182594948407262/albums/5698183270495352529