Our brain teaser category spans many types of 3D puzzles made of various materials, with all kinds of solutions. Brain teasers are puzzles that require a different kind of thinking, also known as lateral thinking. The answers to these brain teasers and 3D puzzles are elusive and probably not straight-forward. Browse our Brain Teaser Puzzle sub-categories by clicking through the navigation menu to the left.
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Interlocking: This means that adjacent pieces are connecting such that if you move one piece horizontally you move all, preserving the connection.