[Kagen Sound] is a woodworker and artist who gives a great behind-the-scenes look at his amazingly high-quality puzzle boxes (video). Not only do his varied puzzle box designs show his math background ...

[Sande24] needed a gift for his father’s birthday. He decided that rather than simply give his father the gifts, he would present his father with a unique challenge. The gifts are locked inside of a ...

In my view, some of the most mind-boggling logic puzzles are those that present statements, some of which are true and some false, with the objective being to figure out where the truth of the matter ...