I wasn't sure what all I need to get a working robot.

Here it lists a lot of items required to get a kit.
http://www.dexterindustries.com/shop/go ... aded-pi-2/

I don't have a spare Raspberry Pi, I want the robot to have a camera, connect to Wifi, etc. Can someone please advise on what equipment I need to have to get the Pi working?

Do I just get this http://www.modmypi.com/raspberry-pi/set ... t-base-kit
and the Raspberry Pi?
http://www.modmypi.com/raspberry-pi/rpi ... ard-bundle

Should I buy a separate camera?