Product Description: These beautifully crafted wooden marbles take building to a whole new level. Set comes with 20 beech wood balls that have two magnets each on two different sides. The arrangement of magnets on the marble differs according to the color of the marble. Voluntary and involuntary assembly and arrangement of these balls is a challenge and discovery occurs through experimentation. New, dynamic and sometimes bizzare configurations will delight all who build with this timeless and beautiful set. Crafted in Germany. Marble size: 1.5 inches in diameter. Comes with idea book
