Boltrix is a masterfully designed disentanglement puzzle that looks straightforward, but quickly proves otherwise. It features a metal chain, bolt, nut, and washer all cleverly arranged in a seemingly locked configuration.

The objective? Screw the nut onto the bolt.
The problem? The current orientation makes that look absolutely impossible.

Boltrix is a very difficult puzzle with a brilliantly elegant solution that will leave you stunned. A true mechanical brain teaser, perfect for expert puzzlers or anyone who appreciates creative design, tactile problem-solving, and a satisfying “aha!” moment.

Screw the nut onto the bolt.