Woohoo I assembled this in like 15 mins:

Some other items around it to give it a sense of scale:

You can order them here: http://www.mynanoblock.com/site/
One note: some parts don’t stick together too well (notably the little pieces that attach under large pieces), so for longevity it might be worth to use some kind of glue to permanently attach the pieces.
I’m thinking of getting the giant 5000+ piece castle, but unfortunately it’s around $300…