The thought of adding an extra room to your home may seem like an extremely costly and disruptive project, but it doesn't have to be if you invest in a tiny home. They're prefabricated dwellings you can add to your backyard or patio in a day or two.

Whether you're looking for tiny homes, pre-fab tiny homes, or a storage shed with windows, you'll find the best ones here on major sale for October Prime Day.

LEGO isn't the only snap-together brick system. These seven sets aren't from LEGO, but they do offer an alternative and often go places LEGO does not dare.