Place your Chamber figure within its vehicle & creash the vehicle into another, the one whose figure pops out of the car first is the loser. Located on the front of the car is an Omnitrix button which ejects the figure from the car. Comes with 1 x Launcher, 1 x Alien Figure Key, 1 x Chamber Figures & 1 x Chamber Battle Vehicle. Dimensions 5 x 63.7 x 15cm