When the last piece of a puzzle like that is a literal puzzle, though, it’s even better. [Nadieh] has been working on this jigsaw puzzle that displays a fireworks-like effect whenever a piece is ...

As puzzlers know full well, the humble jigsaw puzzle is a ... re often left with a delightful piece of art and sense of accomplishment. The only downside to puzzles is they can take up a ...

I've recently gotten back into building LEGO sets and putting together adult jigsaw ... the two. There are actually quite a few LEGO puzzles you can buy, most of which are 1,000 pieces.