Hanayama Labyrinth Metal 3D Brain Teaser Puzzle The objective of this two-piece puzzle is simple: Remove both rings and put them back together. It’s not as easy as it looks. A nub on each end of ...

In upstate New York, two algorithmic artists make wooden puzzles inspired by natural forms. By Siobhan Roberts PALENVILLE, N.Y. — On a meandering mushroom hunt at North-South Lake in the ...