ranging from sport balls and foam dart blasters to video games and accessories. In February 2013, Hasbro announced the release of its "Rebelle" line, a sub-line aimed at girls, with its first products released in fall of 2013. In November 2013, POW! Books published The Ultimate Nerf Blaster Book. Written by Nathaniel Marunas, the book highlights the history of Nerf and provides details on every N-Strike, Dart Tag, and Vortex blaster produced at the time of the book's release. In 2015, the Rival line of blasters was first released. The first products released were the Rival Apollo XV-700 and the Rival Zeus MXV-1200. These blasters fire a new type of ammunition, known as "High Impact Rounds", which are small foam balls that can reach a higher velocity than foam darts. The Rival line is targeted towards an older audience, with each product listing the age of 14+ on the box. In 2021, the Hyper line of blasters was announced. Initial products included the Hyper Rush-40, Hyper Siege-50, and Hyper Mach-100. Hyper rounds are similar in design to Rival rounds, but are smaller and made of a thermoplastic elastomer material that is more rubber-like than the foam used in Rival rounds. Products Nerf Blasters Nerf's most popular product type are Nerf blasters, which are toy plastic guns that shoot foam darts. These darts have different-style tips, including Velcro-tipped in order to stick to Nerf vests (typically shipped with Dart Tag blasters), suction cup darts designed to stick to smooth surfaces, streamlined darts to fit into magazines (referred to as clips by Nerf), some able to whistle in flight, Darts may also have different colors, such as colors that reflect certain sub-lines, camouflage, and glow in the dark. Most Nerf blasters also have rails, known as tactical rails, which can accommodate different attachments, as well as special adapters such barrel and stock adapters. The "N-strike" sub-line was launched in 2004, and is styled more like a real weapon than previous Nerf products. It was updated in 2012 as N-Strike Elite. Rebelle Rebelle was predominantly aimed at the female demographic, with similar internal mechanics to the Nerf N-Strike elite line, sporting pink, purple and teal colors. Zombie Strike The Zombie Strike line was launched in 2013, and is geared for fans of Humans vs. Zombies games. All blasters have a distinct zombie apocalypse theme, with newer blasters featuring a DIY aesthetic. Rival Nerf