My apologies if this has been mentioned before. But as a reaction to the post by Cheebs, what exactly is the point of Combiners? Why not just build a really big transformer in the first place, and not have him/her separate into five smaller and more vulnerable transformers most of the time? Also, I don't understand why the live action movie toys still haven't gotten around to introducing some combiners yet. Combiners are probably one of the coolest toy gimmicks on the market, IMHO.