There are four puzzles inside the book “A New Clue” in Blue Prince: “Low case clue” puzzle — Hidden on page six in tiny font.

The screws that go in your phone are minuscule, and a magnifying glass is really handy if you want to check out the detail on your 3D prints. While this is easy if you have good eyesight and you ...

HuffPost and its publishing partners may receive a commission from some purchases made via links on this page. Every item is independently curated by the HuffPost Shopping team. Prices and ...