These small solid wooden balls are the perfect size for a variety of marble runs. 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.
Authentic Grimm's Small Rainbow Balls Details:
- 12 solid wood balls.
- Materials: maple wood, non-toxic water-based color stain
- Recommendation age: 3 years +