I need help to build a transporter robot

My robot should fellow a line and transport a number of blocks from a place to another, plz what is the parts needed and the controller should i use.

Hello.

I think your question is too broad to get a useful response. If you add some detail or ask specific questions, you are more likely to get helpful feedback.

-Derrill

the robot can use a simple gripper with servo motor and carry a number of wooden cube from place to other following a black line on the ground