Smooth and irresistible, these big blocks are so satisfying to use! Bark is water-stripped for splinter-free play and pieces are precision-cut for easy stacking. Made from reclaimed fruit wood and finished with non-toxic flax oil. Tree Blocks integrate into standard block sets; the natural shapes add interesting new possibilities. Baby Tree Blocks® includes 12 very smooth, tumbled, choke-proof blocks in a cotton bag. Ages 6 months to 3 years.