Single rope tennis training device with ball and rope for beginners self-study high elastic tennis basic device high elastic training device Main features A cappella training allows you to train anytime and anywhere. It offers absolutely everything a tennis player needs. Improve your tennis skills to a high level instantly. The finely designed base can provide stable support for training, as the base has sand or water to add weight, small loops on the side are used to hang straps, and recesses are used to place tennis balls, making it convenient and practical to use. Easy to use It is easy to use, you can train without carrying a ball, and it is light weight and easy to carry, which is helpful for one person to practice. Additionally, it can improve your concentration, motor skills, hand-eye coordination, and your interest in sports. Gifts for children Children can exercise at home while playing with their parents to increase their mood and prevent children from damaging their eyes by playing too many electronic products. Specification Material ABS trainer base size: 20cm 14cm 5.5cm Package Contents Trainer Base 1 training ball 1 annotation Due to differences in monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.