Features: Discover the unique challenge of this hexagon balls, designed to enhances logical thinking and hand eye coordination with its innovative structure. Craft from quality TPR materials, this hexagon balls is both environmentally friendly and visually striking, with a compacts size for easy portability and storage. Great for teenagers and adults who are enthusiastic about brain game, making it a perfect choice for puzzle enthusiasts. Perfect for family leisure time, party interactions, or personal stress relief, allowing you to enjoy the thrilling of challenges any time, any where. Elevates your cognitive skills and enjoy fun with this fitness balls, a essential addition to any collection of exercise equipment or health balls. Specifications: Materials: TPR Color Optional: Eight Color are Available as Shown in the Picture. Package Weight: approx.45g Opposite Angles Diameter: approx.5.5cm/2.16in Package Includes: 1Pc Hexagon Reaction Balls note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!