Einsteins Number Puzzle 3D Brain Teaser Puzzle

Professor Puzzle presents The Einstein Ultimate Number Puzzle – A tricky Wooden Puzzle Game suitable for both kids & adults. Each line must add to 264 but each number can be flipped upside down to make a new number! A great gift to develop quick math. Part of the official Albert Einstein collection from Professor Puzzle – A suite of complex 3D Puzzle / Brain Games.