[Myth Square] 3D Kongming Puzzle Set of 9, 3D Adult Intellectual Toy with Walkthrough (Instruction Manual), Natural Wood, Challenging

This set includes nine wooden 3D puzzles. Each puzzle has a different level of difficulty, so you can gradually improve your intellect. The Kongming puzzle was invented by the Chinese philosopher Kongming, so challenge your brain to uncover China's 4,000 years of history. This brain-training educational toy is also addictive for adults. It also helps children develop their IQ. It develops creativity, spatial awareness, reasoning, coordination, imagination, and more. Using your hands also improves balance and manual skills.

[Size] The average size of the nine puzzles is approximately 7-8cm. [Material] Natural wood. [Includes] Easy-to-understand "Walkthrough (Instruction Manual)."

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