The science experimenters at TKOR build a compact puzzle box designed to conceal its contents and unlock through ...

Step by step tutorial on how to build a LEGO money puzzle box using only standard bricks. This guide explains each stage of the assembly process with hidden compartments and a simple locking mechanism ...

[Kagen Sound] is a woodworker and artist who gives a great behind-the-scenes look at his amazingly high-quality puzzle boxes (video). Not only do his varied puzzle box designs show his math background ...