2. Throw the ball, catch the ball, and bat the ball

3. Hand-grasping outdoor fitness exercise

The above is found according to your tips. Taobao can be bought for people who don't exercise much, which can not only entertain, but also achieve the function of fitness, which is very helpful to the balance of people's eyes, brains and hands and the human body. Life lies in exercise, and exercise is healthier. May your father be healthy.