Nerf N-Force Sword Foam Melee Weapon - Entertainment Earth
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 NERF Thunder Fury N-Force Toy Sword -- Foam Blade with Plastic Core -- 31.5 in. (80cm) Long -- for Kids Teens, Adults (Yellow)