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! :
Vantage Nerf N-Force Toy Sword - 32 Inches Long - Nerf Foam Blade with Plastic Core - for Kids, Teens, Adults (Amazon Exclusive) : Amazon.com.au: Toys & Games
REVIEW] NERF N-Force MARAUDER Long Sword! (The Best Nerf Melee Weapon Is Back!) - YouTube
Brand New Old Stock 2010 NERF Nerf N-Force N Force VANTAGE Sword RARE 653569572763 | eBay
Buy Nerf N-Force Shadow Fury Sword at Mighty Ape Australia
Nerf Swords Grow Up | WIRED
NERF N-Force BATTLEMASTER MACE Rare Sword Style RARE for sale online | eBay
Urban Taggers.: Review: Nerf N-Force Stonewall Shield + Short Sword set
Urban Taggers.: Review: Nerf N-Force Klaw Hatchet
Thunder Fury Nerf N-Force Toy Sword - Foam Blade with Plastic Core - 31.5 in. (80cm) Long - for Kids Teens, Adults (Yellow) (Amazon Exclusive) : Amazon.com.au: Toys & Games
The Best NERF Swords & Melee Weapons | Blaster Piece
Nerf N-Force Battlemaster Mace Axe : Amazon.com.au: Toys & Games
I am not left-handed: Ars reviews the Nerf N-force sword | Ars Technica