Maybe youve already got the Nerf Modulus blaster (sold separately). But do you have what it takes to dominate the battlefield with it? Upgrade your blaster with the Flip Clip Upgrade Kit! The Modulus blaster already fires up to 24 darts without reloading, but with this kit you can carry a fully-loaded extra clip and exchange it for the empty one in the heat of battle! The kit includes a Flip Clip and 24 darts to load it up with. Serious Nerf warriors cant afford to run out of ammo, so upgrade stat with the Flip Clip Upgrade Kit! Includes Flip Clip, 24 darts, and instructions. The Nerf Modulus Flip Clip Upgrade Kit is suitable for children aged 8 years and over.