3 ways to blast;Battery: no battery used Elite blaster creates a base to add all of the Tri-Strike components Combine the Missile Launcher and stock for a discrete missile blaster Ages 8 and up Includes Elite Dart blaster, MEGA Dart Barrel Extension, Missile Launcher Stock, 10 Elite Darts, 10-dart clip, 4 MEGA darts, missile, bolt (2 pieces) and instructions. Boys can build their own blaster for each mission with the Nerf Modulus Tri-Strike blaster from Hasbro! The Tri-Strike blaster featurs 3 different ways to blast that can all be used separately, or combined, for custom configurations. Bring an entire arsenal to the battlefield with the versatility and power of the Tri-Strike blaster! Start building with the Elite Dart Blaster and attachable 10-dart clip combo. Precision-fire Elite darts or fire 10 in a row using rapid-sliding-bolt-action! Extend the barrel with the Mega Barrel Extension. Then fire Mega darts with this big barrel’s increased range. Attach the Missile Launcher and Missile Launcher Stock to the Elite Dart Blaster for an even bigger blaster! Then, separate the Missile Launcher and Missile Launcher Stock, to clip them together for a stealthy back-up missile blaster. Expand the customizing options with Nerf Modulus Upgrade Kits (each sold separately). With the full Nerf Modulus system, over 1000 different combinations are possible! Nerf and all related properties are trademarks of Hasbro.