1. The ping pong ball trainer is built like this: with soft and hard wheels, this ping pong ball trainer provides a smooth bearing feel and prevents damage. Its strong resistance to pressure and weathering and the ability to maintain its shape ensure an improved training experience. 2. Height Adjustable: With height adjustable training wheels, this ping pong ball trainer can suit both adults and children of all heights. This tool is perfect for players of different abilities and can be used for both training and learning. 3. Professional equipment: Improve your skills with table tennis training wheels, ideal for removing skills. These professional quality devices are suitable for all levels of players and perfect for learning and practicing spin variations, making them an essential addition to your training supplies. 4. Advanced Development Increase your ping pong skills with a variety of training exercises that efficiently strengthen muscles and improve the skills of the beginner.