you need 2 players and one person jumps in the car the other press Y at the same time and whoever jumped in the car is a vehicle!
Accomplish the indicated achievement to get the corresponding number of Gamerscore points:
STUD FOUNTAIN - FINISH ALL LEVELS PERFECTLY AND A BUILD THING WILL APPEAR IN FRON OF THE CAFETERIA PLACE ;; BUILD IT AND GE STUDS ;; TA DA
when you buy all the bounty hunters, bounty hunter missions will be able to be done. go in and keep doing kit fisto mission. all you have to do is switch to bobba fett, walk left, then fly left. you should get about 25000 studs each time.