Oh, lordy, would you look at this? It’s an Interlocking Cardboard Castle made with cardboard and duct tape! I love projects like this that don’t cost a lot but can keep kids busy for an entire day…or even longer if you’re lucky.

This project was created by Merrilee of the blog mermag. Merrilee and her kids made a castle, but you could customize the project to fit your child’s interests. A museum, or a zoo, or Hogwarts, or outer space, or a little town with a flower shop, a corner cafe, a patisserie, a bookstore (okay, that last one might be for me). You could make it as big or as small as you’d like. And when the kids (or you) are done playing with it, wouldn’t it look nice sitting on a table or shelf?

You’ll find Marilee’s step-by-step tutorial and free templates here.

Spotted at lmnop.