| 摘要 |
The invention pertains to a sports training ball designed to develop reaction and reflex skills, while keeping interest and enthusiasm high among the participants due to the unpredictable bounces the seven-knob rubber ball creates. It is well suited for training in many sports including baseball and is effective to help young athletes develop their visual tracking skills, reaction skills, and catching skills. Its unique seven-knob design ensures a different bounce every time it bounces against a flat surface. The seven-knob design includes two identical knobs of a larger size and five identical knobs of a smaller size and the ball is approximately the same mass as a tennis ball and a baseball. In short, it is challenging, but allows children of varying ages and skill levels to achieve success while building their skills.
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