NERF ULTRA SONIC SCREAMERS DARTS WHISTLE THROUGH THE AIR -- The darts make a whistling sound as they streak through the air!
20 NERF ULTRA DARTS: Includes 20 ground-breaking Nerf Ultra darts that feature a whistle tip, Aerofin technology, and lightweight Nerf Ultra foam for game-changing superiority
NERF ULTRA DARTS FOR NERF ULTRA BLASTERS: Nerf Ultra darts are compatible only with Nerf Ultra blasters. Stock up with this refill pack to keep backup firepower nearby