Expose it to light or sunlight for about 5 minutes, then place it in a dark environment where it will glow for approximately 15 minutes. Over-Door Mounted Basketball Hoop: Easily attaches to most standard doors for quick setup, so you can enjoy basketball action in your home, dorm, or office without the need for drilling or permanent installation. Durable Backboard & Hoop: The sturdy backboard and high-quality hoop are built to withstand intense play, providing a realistic basketball experience with every shot. The solid construction ensures long-lasting durability even with frequent use. Complete Set: Comes with 1 mini basketball, so you can play with friends or practice your shots solo. The balls are designed for easy inflation and bouncing, adding to the authentic feel of the game.