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! :
Nerf N-Force Shadow Fury Short Sword – Blaster Barn
Nerf N Force Sword Double Blade Vendetta Foam Swords Snap Together | eBay
Nerf N-Force Vendetta Double Sword – Blaster Barn, 50% OFF
VTG Nerf Force Sword Double Blade Swords 2 Piece Approximately 60” Long Soft EUC | eBay
Nerf Fencing Duel : Target
Nerf Minecraft Heartstealer : Target
Amazon.com: NERF Dungeons & Dragons Xenk's Daggersword, Foam Blade, Dungeons and Dragons, D&D Kids Outdoor Play Toys for 8 Year Old Kids : Toys & Games