Jigsaw puzzles are a low-key, analog way to tap into the same thrill. They offer a plethora of options, from captivating themes and intricate piece cuts to stunning illustrations and unique whimsies.

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 ...