Prior to the Marvel Mashers, Hasbro were also using a similar system with the Iron Man 3 Assemblers, which by the way are still massive pegwarmers

http://www.hasbro.com/en_AU/shop/det...F14329A9:en_AU

I'll be interested in how the well kids will take to the TF spin on it -from what i've seen, their current attempts at this concept seem to be tanking