Grimm's 12pc Small Wooden Balls - PastelSmall Pastel Balls 12 pcs . Grimm's small solid wooden balls are the perfect size for a variety of marble runs. They bridge the gap between the large wooden balls and the small wooden marbles. Combined with the sorting boards, they are a wonderful 3 D matching puzzle and sorting game for even the littlest ones. With the Building Rings, the balls can grow up into the sky as a balance game. Product may be packaged in cotton or paper bag. Includes: 12