Using this Kidoozie 2 - in - 1 ball pit and pool is easy. If you want to use it as a ball pit, just spread it out and fill it with the 50 balls. For using it as a pool, find a flat surface outdoors or indoors and fill it with water. When playing, make sure kids are supervised, especially when it's used as a pool. To keep it in good condition, after each use, dry it thoroughly if it's wet. Store it in a cool, dry place when not in use. Avoid sharp objects near it to prevent any punctures.