Authentic Korean Gameplay: Experience classic Korean hand-eye coordination fun! This 5-piece set replicates traditional Gonggi rules for tossing, catching, and point-scoring challenges - perfect for family game nights or skill-building activities. Steel-Ball Weight & Durability: Premium plastic construction with embedded steel balls provides satisfying heft (20% heavier than standard sets) for precise throws, while resisting cracks or chips even during intense matches. Ergonomic Safe Design: Each 0.8”x0.8”x1.2” jackstone features rounded edges and non-toxic ABS plastic, certified ASTM/CPC compliant. Easy-grip texture accommodates hands and adult gameplay alike. Vibrant Visual Tracking: 5 distinct neon-colored pieces (red/blue/green/yellow/purple) enhance visibility during fast-paced rounds and help players quickly identify their active stone. Premium Safety Construction: Crafted with child-safe ABS plastic shells encapsulating food-grade stainless steel weights. The 0.8” ergonomic design prevents choking hazards, while the smooth edges ensure safe, worry-free play for all ages. Gonggi Korean Game, Real Weighted Traditional Korean Stones Game with Steel Balls, Pebble Throw and Grab Gonggi Jack Games-3 Set with Squid Box