A lego controlled junkbot has been produced, Hayley Stevenson has produced a walking model from straws and cotton. Together we combined this with two motors from LEGO NXT set and wrote some java code to get it to move. More details can be found at: http://junkbots-hayleystevenson.blogspot.com/2011/08/day-18-my-last-day.html including video of it working.
LEGO arrangement
The walking model
This has new junkbot is very much in-line with the ideas behind the projects, combining engineering, waste and computing to produce something new.
Taken from: Junkbots - Nuffield Bursary Placement: Day 9 - The Fan Racer comes to Life!
"...added 'insect leg' supports! Basically the supports run the full length of the can, then come off at an angle to keep the fan at the back counterbalanced. (Theyare called insect supports because the FanRacer now looks like a Fly ..."