Nerf Ultra One 20-Dart Refill Pack, The Furthest Flying Nerf Darts Ever, Compatible Only with Nerf Ultra One Blasters, Black, 4.4 x 15.2 x 17.5 cm, E6600EU6
Nerf Ultra One Motorized Blaster | eBay
Nerf Ultra Strike Motorized Blaster with 10 Darts - Walmart.com