Disentanglement puzzle - Wikipedia

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Rob's Puzzle Page - Tanglements

Mechanical puzzles: Soma cube, Tower of Hanoi, Flexagon, Rubik's Cube, Jigsaw puzzle, Peg solitaire, Combination puzzle, Speedcubing: Soma cube, Tower Square One, V-Cube 6, V-Cube 7, Pyramorphix

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Mechanical puzzle - Wikipedia

Rob's Puzzle Page - What's New

How to Solve a Metal Puzzle: A Beginner-Friendly Guide

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