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! :
N-Force | Nerf Wiki | Fandom
Nerf N-Force Line | Macon & Associates
NERF Shield STONEWALL N Force Black Yellow Live Action Role Play Cosplay LARP | eBay
SG Nerf: Nerf N-Force Vendetta - Review!
Nerf N-Force Battlemaster Mace Axe - Walmart.com
Nerf N-Force Sword Smites Safely | WIRED
Amazon.com: Nerf N-Force Stonewall Shield and Sword : Toys & Games
I am not left-handed: Ars reviews the Nerf N-force sword | Ars Technica