Mattel releaseed 36 New Models (formerly known as First Editions) a first for the name change, since 1995 Model Series.  Also New for 2007, are additional 12 Super Treasure Hunts with 12 Regular Treasure Hunts.  12 Teams of 4 cars each,  (formerly Segment Series), 24 Code Cars (codes imprinted on underside of the car that can be used to unlock web content), 12 Track Stars (formerly Track Aces).  For the very first time there are 24 Mystery Cars (with a blacked out blister, so the buyer cannot see which car is inside without opening it), and 24 All Stars (replacing the normal Open Stock, or Repaints).