The other is a patterned puzzle box (at 7:10) whose geometric designs change as the user moves the pieces. A reminder that [Kagen]’s devices are made entirely of wood and glue, so the design ...

I used to hate jigsaw puzzles. I thought they were frustrating, messy, and took way too long to solve. But my wife showed me ...

Depending on its shape, design and coloring, a 1,000-piece puzzle should take somewhere between four and 12 hours to complete ...