Product details:

Build your own blaster with five interchangeable parts that you can take apart and reassemble any way you want. Snap the parts in any configuration onto the Tactical Rail and gain the upper hand in any situation that calls for awesome dart-tag action. Other features include a flip-up sight for aiming precision and a dual-mode light beam with red-dot accuracy that's perfect for night missions! Use the shoulder stock to steady your shot and store an extra clip of ammo (sold separately). Get armed with the most exciting name in high-tech blasters: N-Strike power! Requires 2x "AAA" batteries (not included). Ages 6 and up.