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Puzzle crafting & workshops • Laboratorio di giochi d'ingegno • Atelier de puzzles
by Gianni A. Sarcone & Marie-Jo Waeber
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The X puzzle
Creator/designer: Gianni A. Sarcone

How to make a sophisticated disentanglement puzzle in 3 simple steps.
Step 1:
Get 1 curtain ring, 1 gas adapter, 2 rubber heels and 2 wood beads (as shown in fig. 1).
Step 2:
a) Slip the ring onto the arm of the gas adapter, as shown.
b) Thread a 40-cm long cord through the same arm and link the heels and the beads together, as shown in fig. 2.
Step 3:
c) Pull the ring down. Now your puzzle is ready! (see fig. 3)

Aim of the puzzle: free the ring from the puzzle.
Warning: this puzzle can drive you to despair!

Where can I find the material?
Wood beads:
Rubber heels:
Gas adapter (kind of device to be placed over a gas range grate):

X puzzle 1 X puzzle 3
X puzzle 2
© Gianni A. Sarcone
You cannot reproduce this puzzle for commercial use!
Creative Commons License
X puzzle by GIanni A. Sarcone is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at

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Archimedes journal ARCHIMEDES journal is an interactive review devoted to entertaining & involving the readers with puzzles, recreational mathematics and visual creativity. This journal is published for an audience without a specific math background. Each issue covers a broad range of mental and hands-on activities for the reader to enjoy! Workshop image "How to focus attention? Encourage creative exploration?" Multicultural interactive puzzle activities & workshops for museums and institutions.
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