Okay. Sounds simple. My idea is make a biped robot with 4 micro servos and homemade IR sensor cost less than 50€.
Body maked from cheap plastic sheets and grip in feet is rubber.
And cause picaxe is cheap, i’ll use it 
I finish it in end of this year, i promise!
cheers!
good luck on your project!!!
Ok, but let’s see your
Ok, but let’s see your progress. Just keep us up to date with your doings 
I / we like cheap robots