Toy's for Bob's upcoming sequel to Skylanders Spyro's Adventure just got a new trailer, and revealed more information about the Giants.
The are going to be 16 new characters introduced, and of these there will of course be Giants who are over twice the size of normal Skylanders. There will also be a new type of character introduced called LightCore Skylanders, that "that light-up in the game and in the real-world as players’ transport them to Skylands using the Portal of Power that builds on the magic of the toys."
For more information check out Jeremy's preview here, and be sure to check out Skylanders Giants on October 21, 2012.