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! :
Lambow Nerf N-Force Marauder Long Sword | Amazon price tracker / tracking, Amazon price history charts, Amazon price watches, Amazon price drop alerts | camelcamelcamel.com
Marauder Long Sword | Nerf Wiki | Fandom
NERF N-Force 40" Red Black & Gray Marauder Foam Sword Cosplay 2008 | eBay