1.Advanced Assistance: Our pingpong ball trainer with training wheels is the perfect equipment designed to help players of all levels train and learn topspín. This professional-grade tool is useful for practicing a variety of spin variations, enhancing your skills and elevating your game to the next levels. 2. Usage: Crafted from strong materials, this pingpong ball trainer provides a smooth bearing feel for excellent performance. The soft and hard wheels protect your racket without causing damage, while its ability to resist deformation and weathering ensures long-lasting use. 3.Height Adjustable: With height adjustable training wheels, this pingpong ball trainer can cater to both adults and children of all heights. Perfect for players of different skill levels, this tool can be used for both training and learning. 4.Multi-Scene Applicable: Transform any play area into a dynamic training space with our adaptable pingpong ball trainer. Designed for both indoor and outdoor use, it's perfect for backyards, ball fields, playgrounds, gardens, parks, and driveways, making it a versatile addition to your game.