1. Train alone: You can train alone. The badminton automatically bounces back after hitting the elastic rope. There is no need to repeatedly pick up the badminton from the ground. You can practice single badminton without having to wait for a partner. 2. High quality: The badminton trainer is made of metal plastic, the length of the telescopic elastic rod can be ly adjusted, and the elastic cord can be ly cut and connected. The accessories include 3 badmintons, 1 racket and 1 storage bag. 3. Easy to use: First fill the base with water or sand, then connect the three bases with accessories, connect the adapter, connect the line to the rod and connect the other end to the special badminton. 4. Easy to carry: The base is very stable and a good helper for those who are just learning badminton. Before filling with water, it is light; After filling with water, the base is stable and its weight is enough to support your swing.