Description: Teaching aids for mathematical enlightenment, improve concentration, hand-eye coordination, a communication tool for children to accompany the children 39;s childhood happy growth Exercise children 39;s brains, cultivate children 39;s self-thinking, and increase the parent-child relationship between children and their parents Suitable for beginners to learn numbers and colors to guide children to cognitive and interesting, so that your children can 39;t put it down Quality wood, high density, non-toxic, odorless, safe for your kid 360 finely polished, round and delicate, smooth and burr-free. Specification: Material: Wooden Size Chart: Storage Box: 12x12x3cm/4.72x4.72x1.18inch Package Includes: 21 Pieces Round Blocks 10 Pieces Numbers 1 Piece Storage Box Note: 1. This is not infant toy , please take away from kids to avoid eating. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on-line shopping