Nerf Vortex Ammo Refills Nerf Vortex Ammo Refills contains 40 discs that glow in the dark so that you can enjoy playing at the night. The refill also gives you a cutting-edge fighting experience. Age: 8 years and up Features Contains multiple discs High end design Glow in the dark Recommended accessory for Nerf vortex Large diameter Compatibility: With the Nerf vortex guns