N-Force is a series of Nerf foam weapons that was released in 2009 to 2011. Until now, I still think that no any NERF foam weapons can surpass the N- Force series! :
SG Nerf: Nerf N-Force Vendetta - Review!
Nerf N-Force Marauder Long Sword | As They Grow Up
The Best NERF Swords & Melee Weapons | Blaster Piece
Nerf N-Force Sword Foam Melee Weapon - Entertainment Earth
NERF N-Force 40" Red Black & Gray Marauder Foam Sword Cosplay 2008 | eBay
REVIEW] NERF N-Force MARAUDER Long Sword! (The Best Nerf Melee Weapon Is Back!) - YouTube
Vantage Sword | Nerf Wiki | Fandom
NERF N-Force Vendetta Double Sword - Walmart.com
Review: Nerf, Part 1, Swords! | Kid Mania Blog
Nerf Zombie Strike Strikeblade from Hasbro - YouTube