Features: Made of wood material, rounded corner design, bright surface polishing treatment, light weight and not easy to break. Reusable:These blank cubes have been smoothed to the point that there is no debris and it is easy to clean. Multi-Function: You can write numbers or letters on the surface of the cube to make dice for different games. You can also draw patterns on the surface, paste accessories, and use them as building block toys, math learning props. Their surfaces are easily coated, coated or glued, and you can use these wooden cubes to give full for play to your imagination. Use these dice to increase the interaction between you and your family, your teachers, friends and students. Specifications: Material: Wood Color: Wood Color Size Optional: 20mm/25mm/30mm Size1: approx.20mm/0.79in Size2: approx.25mm/0.98in Size3: approx.30mm/1.18in Package Includes: 5Pcs x Dices note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!