The Einstein Collection E=Mc2 Metal Brain Teaser Puzzle Set 3 Pieces

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This collection of brainteaser puzzles and coloring pages will test your problem solving skills and strengthen your creative thinking. Sample a wide

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The Einstein Collection Metal Brain Teaser 3 Puzzle Set

Contains an outer placeholder, 16 wooden cubes and 6 brain teasing challenges. Develop your problem solving skills - Work your way through the six

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How well do you know Shakespeare? A little? Some? A lot? Test your knowledge and/ or your poetry skills with this clever puzzle. Arrange the 14 wooden

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The Einstein Collection E=Mc² Metal Puzzles - Metal entanglement puzzle / interlocking brain teaser - Professor Puzzle 3D Brain Teaser Puzzles.

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E=mc2 Metal Puzzles