Metal Puzzles

The Infinity Puzzle earns its name for both style and mechanics. Not only do the pieces resemble the sign for infinity (a horizontal 8), but their motion continues in an...

The object of this ingenious, cast metal puzzle is to separate the two interlocked loops and remove them from the surrounding planet-like structure. Afterward, can you piece it back together?...

A modern puzzle, the Cyclone is a four-piece, cast metal disentanglement puzzle from Hanayama, released in 2021. In this puzzle, each piece interlocks with the other three in a cyclonic...

A beautiful mechanical puzzle crafted from solid brass with a unique, seven-stage, sequential discovery solution.​ The goal is to find the brass ball locked inside the cylinder. Designed by Felix Ure the puzzle is rated...

Can you separate the five pieces of the 3D jigsaw and then meld them back together again? At first glance, the pieces do not seem as though they are unlockable. ...

The Tube puzzle was designed by Vesa Timonen, and consists of 3 parts. The objective is to disassemble the puzzle and then put it back together. Consider every possible method...

Another great puzzle by Oskar van Deventer. The H&H puzzle is made out of two pieces shaped like the letter H. The goal of the H&H puzzle is to take apart the...

A great metal puzzle by Yoshigahara. Start by taking the puzzle pieces apart, then figure out how to put them back together and restore the puzzle to its original state....

The U&U puzzle contains two U-shaped bolts and four nuts and it is quite complex to solve. There is a devious trick hidden in the puzzle. Taking a closer look...