Official Nerf N-Strike Elite Series Firefly Mission Kit Pack Firefly Mission Kit adds glow-in-the-dark power to any Clip System blaster (sold separately) Official Nerf Firefly Tech clip charges 18 glow darts Refill pack includes 18 Official Nerf Elite darts Darts are compatible with Nerf Elite blasters and most original N-Strike Blasters (sold separately) Official Nerf Darts - tested and approved for performance and quality Nerf or Nothin!