Questions about the Battle Antz robot kit

[Darth Roboteer]

Right, so i have some questions about the Battle antz kit:

A. what are the competition rules regarding the robot?

B. Could i remove the chassis and place a new one around it?

c. Where are the best places to buy it from?

D. Is it worth getting?

E. and finally, what are all the specifications for it?

Thanks,