BIONICLES! When I was in kindergarten bionicles were a big deal, but then as I entered 1st grade everyone got less interested in bionicles. Bionicles are the perfect combination: Lego + action figures = bionicles. Bionicles are composed of snap-together pieces:

Lego created a whole storyline for bionicles. I will show it here. You don’t have to watch it cause it’s kinda long.

http://bionicle.lego.com/en-US/movies/Mistika_two_minute_movie.aspx sorry, they took out the older videos.

Here is the newer bionicle Ackar from the Glatoran series:

And here is his promo trailer.