Browse the Puzzle Collection

Browse the Jerry Slocum Mechanical Puzzle Collection according to the Mechanical Puzzle Classification scheme.

1. Put-Together Puzzles
   1. Dimensional assembly puzzles
   2. Dimensional assemble puzzles, non-interlocking
   3. Miscellaneous put-together
   4. Matchstick puzzles
2. Take-Apart Puzzles
   1. Trick or secret opening puzzles
   2. Secret compartment puzzles
   3. Trick locks & keys
   4. Trick matchboxes (matchsafes)
   5. Trick knives
3. Interlocking Solid Puzzles
   1. Figural
   2. Geometric objects
   3. 3-D jigsaw puzzles
   4. Burr puzzles
   5. Keychain puzzles
   6. Miscellaneous interlocking solid puzzles
4. Disentanglement Puzzles
   1. Cast iron & sheet metal puzzles
   2. Wire puzzles
   3. String puzzles
   4. Miscellaneous disentanglement puzzles
5. Sequential Movement Puzzles
   1. Solitaire puzzles
   2. Counter puzzles
   3. Sliding piece puzzles
   4. Rotating piece puzzles
   5. Maze & route puzzles
   6. Miscellaneous sequential movement puzzles
   7. Mazes & labyrinths for people
6. Dexterity puzzles
   1. Throw & catch
   2. Rolling ball puzzles
   3. Maze dexterity puzzles
   4. Miscellaneous dexterity puzzles
7. Puzzle Vessels
8. Vanish Puzzles
9. Folding Puzzles
10. Impossible Puzzles

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Browse Tips

Browse the collection of online puzzles using the Mechanical Puzzle Classification.

Understanding the Classification

1. Put-Togther Puzzles — Object: Putting puzzle together (e.g., Tangrams)
2. Take-Apart Puzzles — Object: Taking puzzle apart (e.g., Puzzle Boxes)
3. Interlocking Solid Puzzles — Object: Puzzle disassembly and assembly (e.g., Cube)
4. Disentanglement Puzzles — Object: Puzzle disentanglement and entanglement (e.g., Chinese Rings)
5. Sequential Movement Puzzles — Object: Moving puzzle parts to attain goal (e.g., Rubik's Cube)
6. Dexterity puzzles — Object: Manual dexterity to solve puzzle (e.g., Cup and Ball)
7. Puzzle Vessels — Object: Filling vessel or drinking without spilling (e.g., Puzzle Jugs)
8. Vanish Puzzles — Object: Explain vanished or changed image (e.g., Loyd's Get Off the Earth)
9. Folding Puzzles — Object: Fold object to specified pattern (e.g., Fifth Pig Puzzle)
10. Impossible Puzzles — Object: Explain how object was made or why it behaves in seemingly impossible ways (e.g., Arrow thru Bottle)