How bout we build a robot with wheels which also has a mechanism for going up and down, either a pulley system or those big screw things similar to those...

Should we consider using a play station 2 controller (preferably wireless) to control the joint movements of the robotic arm ? Assuming the robotic arm consists of 3 parts: 1)...

How bout putting sticker labels with a certain colour on objects to be picked up by the robot arm, for eg having a blue sticker on a bottle of water,...