HaveABlast with BOOMco.! BOOMco. products feature Smart Stick technology, an awesome material that's on the tip of every dart and in every round, that sticks to BOOMco. targets and blaster shields - so you see exactly where you nailed it! The Smart Stick Rounds and Magazine let you amplify your experience on the battlefield. The included three rounds are made completely of Smart Stick material, so they stick to all BOOMco. targets and shields. They are contained in a magazine that fits the rails of most BOOMco. blasters, too, so you have extra firepower at your fingertips while battling! The 2" ball-shaped projectiles come in red and green, and you can mix and match the colors to create a customized Smart Stick experience! Comes with 3 Smart Stick Rounds and a magazine. Ages 6 and older.