Nerf Modulus Flip Clip Upgrade Kit NOTE: This version comes in simple brown packaging Flip Clip Upgrade Kit lets you upgrade your Modulus blaster (sold separately) Flip Clip lets you fire more darts without reloading Clip holds up to 24 darts Thousands of combinations with the Modulus system (other kits, accessories and blasters sold separately) Includes Flip Clip, 24 darts, and instructions