I made Jamie a castle out of an old large moving box. It's nowhere near as fancy as the inspiration - I didn't decoupage the inside bc, uh, I didn't know what that was until I saw the post and there's no mirror hanging inside, but it works.
Oh man, I just put a huge box in the recycling last night. C had been using it as a boat all week. Guess I'll just need to place another ridiculously large Amazon order.