The most profitable amusement equipment in children’s playgrounds includes fishing pond, which are usually set up in the children’s activity area, providing a space full of fun and exploration for children. For example, the fiberglass fishing pond not only allows children to have fun in the game, but also exercises their reaction ability and improves the flexibility of brain cells through interaction with fish. It not only serves as a decoration, but also enhances the level of the venue, and most importantly, attracts popularity.