Boltrix Puzzle – Probably The Hardest Disentanglement Metal Puzzle runs big • Two interior pockets

• Two interior pockets

• Measures 2 1/2" tall

Removable front flap

• Feature fancy dress costumes

• Enhances fine motor skills and coordination

Boltrix Puzzle – Probably The Hardest Disentanglement Metal Puzzle runs big • Two interior pocketsMasterfully designed disentanglement puzzle that seems simple. Composed of a metal chain, bolt, nut, and washer in a locked arrangement. Objective is to screw the nut onto the bolt. Current orientation makes that task appear impossible. Very difficult yet solved by a brilliantly elegant move. Provides a tactile mechanical brain teaser and a satisfying aha moment. Ideal for expert puzzlers and fans of creative design and problem solving.