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OBJECTIVE: Open the secret box
Difficulty: INCREDIBLE 5/6. Average resolution time: 1 hour – 1 year
Game dimensions: 8 x 9 x 5 cm
Used wood:Sipo, Koto
Made in Germany by Jean-Claude Constantin
His games are made with the use of precious woods, laser-cut, plexiglass and steel. Jean-Claude Constantin lives in Germany where he designs and produces many wooden and metal puzzles, puzzles, prestigious games and other intellectual games. He is considered one of the best designers in the world of puzzles
Difficulty: 5/6 INCREDIBLE. Average resolution time: 1 hour – 1 year
Game measures: 3 x 3,5 x 2 inches
Woods used: Sipo, Koto
Made in Germany by Jean-Claude Constantin
List Price: $47.90
Centrale Box – Secret Wooden Box – Difficulty 5/6 Incredible – Brain Teaser by Jean-Claude Constantin


