How long does it usaly take to make a robot?

A mini-one like VEX? It takes about 1-3 Weeks or More. Tetrix Robots, 1 Week or Less. A, Like Japan Robot (Human-Size?) It can take Fews years, for Designing, Planning, and Building (After you get the design complete and working, Then you can Produce more and more in a Year (Knowing the Design) Hope This Helps :)