Doors 2.0 Mechanical Keyboard - Premium Gaming Keyboard with RGB Backlit, Wired USB Mechanical Keyboard for PC/Mac - Perfect for Gaming, Typing & Office Work
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DESCRIPTION
Challenge: arrange the 6 tiles inside the structure
There are 24 different solutions to the puzzle, so that in each one a different number remains uncovered
Difficulty: 3/6 HARD
Dimensions: 13,2 x 9,7 x 0,8 cm / 5.2 x 3.8 x 0.3 inches
Incredible novelty from the German genius Jean Claude Constantin that puts even puzzle experts to the test