Boltrix Puzzle – Probably The Hardest Disentanglement Metal Puzzle runs big zipper on sizes 5/6–6/7

zipper on sizes 5/6–6/7

• Enhances fine motor skills and coordination

or grass from getting into baby’s snack

• Long Sleeves With A Convertible Two-Way Zipper For Easy Dressing

• Does not include limited edition Bitsies such as penguin

Boltrix Puzzle – Probably The Hardest Disentanglement Metal Puzzle runs big zipper on sizes 5/6–6/7Masterfully 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.