The genius of LEGO is that every part can work with every other, across themes, times and even sub-brands. Cue regular bloggee Jonathan Elliott, who has demonstrated this compatibility by combining a LEGO Duplo car shell with far more intricate System pieces. The result is one heck of a rad’ toddler ride, and you can see more of his inspired Duplo/System mash-up on Flickr via the link above.