This is at once apparent when you focus on the fact that a cube has six sides. The saw cuts straight—one side at a time. To ...

Besides being an absolute marvel of woodworking, the hidden mechanics inside this desk make our heads hurt ... Besides the pipe organ, the desk features puzzles in almost every drawer.

Sai Charan Kintali carries so many puzzle cubes with him during the day at Irving Middle School in Springfield, he keeps them in a black case in his backpack.