Possible Duplicate: What tool can get two 1x2 plates apart without damaging them? what are some of the cheap methods that does not require and special tools like the lego separator are used ...
I need help programming a NXT 2.0 Lego Mindstorms. I want to make the robot turn, stop, go back, etc. when the color sensors see certain colors. For example when the robot sees red it stops then ...
I've seen oodammo referred to in relation to K'nex building (in particular in relation to projectile throwing machines), what is it?