Puzzle Floor by Brazfloor
Laying hardwood not challenging enough for you? Allow us to suggest this best-of pick from the brain-teaser category: a life-size wood jigsaw puzzle custom made for your floor. Call up with your room measurements, and the company will ship you numbered pieces—each roughly 1 foot or 2 feet square—along with a handy diagram. Bonus points for puzzling them together without peeking.
From $70 per square foot; brasfloor.com