Korean Traditional Play Game, Gonggi Jack Stone Pebbles Set - Each stone is meticulously crafted to offer excellent grip and control, making it easy to learn and master new techniques. - Perfect for both beginners and seasoned players, this set invites endless hours of fun and skill-building. - Skill Development: Helps improve hand-eye coordination, concentration, and dexterity. Product Specifications: Name: Gonggi Korean Game Material: Plastic Size: 0.8 inches Package Includes: 1/2/3 Set Gonggi Korean Game NOTES: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.