Froster Giant Genius Mug, Giant Mug with Math & Logic Puzzles to Solve, Brain Training, Extra Large, 28 oz

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  • Each side of this huge mug is printed. Scan a QR code on the mug to check your answers and see explanations.
  • Show your admiration for the intellect of a puzzler or simply give an extra size mug for a tea-loving friend.
  • Extra large capacity 800 ml (28 oz)! Ceramic mug. Dishwasher safe.

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