Grimm's Building Set - NumbersThere is so much to discover in this set, even for the younger children who havent learned the numbers and how to count. The motor skills are awoken through building and stacking. A great way to learn through Grimms rainbow numbers. 11 pieces Materials: lime wood, non toxic water based color stain. Size: height 8cm, thickness 2cm. Details: Made in Bosnia Recommended age: 3+