Picture of a small portable children's water park

Quick answer：

A small portable children's water park is a recreational facility designed for young children, typically featuring a variety of water-based play structures and elements that are compact and easy to transport. These parks often include slides, sprinklers, water cannons, and splash pads, providing a safe and entertaining environment for kids. They are commonly used at events, parks, or as a standalone attraction, and are designed to be set up and taken down quickly, making them versatile for various locations.