EKIND 200Pcs Suction Darts Refill Foam Bullet for Nerf N-Strike Elite Guns Darts are compatible with any N-Strike Elite blaster and most original N-Strike blasters Tested for quality and durability, Made using safe materials This is the upgraded suction dart. It's more 50% repetition use times than the old version The packaging box could be as a bullet's storage box These glow darts need to expose them to the light about 5 to 10 minutes before first time to use