＼Popular! Improve Reflexes & Instantaneous Power／ Reaction Ball Set (3 balls) with varying difficulty levels. 【Features】 Bounces unpredictably, making it perfect for training reflexes, dynamic visual acuity, instantaneous power, and agility! Can be used for basic training in all sports, such as baseball, soccer, tennis, and basketball. Recommended for those who want to improve their sports performance. Kids and adults alike can enjoy training while playing. Effective for everyday exercise and improving concentration, as it trains hand-eye coordination. Take your performance to the next level with this training tool! Also recommended for rehabilitation and improving concentration! We also sell other sports equipment! Check them out here ↓ #SportsAccessoriesShop 【Product Details】 Set Contents: Blue, Red, Yellow, 1 each (3 total) Size: Approximately 5.5cm Material: High-quality rubber / synthetic resin Condition: New, Unused