CHALLENGE:?free the X from the OIt apparently seems impossible, because it is very difficult to understand the trick fastly. After long attempts you will discover a letter X to move…But what for? That’s all to explore!Difficulty: EXTREME 4/6. Average solution time: 30 min. – 30 daysAge: 8+Dimensions:?12 x 12 x 8 cm / 4.7 x 4.7 x 3.15 inchesPACKED IN A BOX 12 x 12 x 10 cmTeak/Samena wood.Hand Made in Thailand
Math Tower - Mathematical Puzzle in Fine Wood - Difficulty 5/6 Incredible - Euclide Series
$35.43
Effugium - 3D Brain Teaser in Fine Wood - Difficulty 2/6 Medium - Leonardo da Vinci Collection
$22.73
The Da Vinci Helix – XO – Wooden Brain Teaser – Difficulty 4/6 Extreme – Leonardo da Vinci Collection
$20.19
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