853405 Snake Sword is a foam sword featuring Skales released in January 2012.
LEGO.com description[]
Battle with the snake army!
Bring the magic of Ninjago to life with a sword straight from the Fangpyre snake army! Battle Spinjitzu style with this snake-inspired soft foam sword featuring detailed graphics and a cool snake’s head handle! Bring the battle to your backyard! Makes a great gift for fans of LEGO® Ninjago building sets![1]
Trivia[]
- The set description says the sword is "straight from the Fangpyre snake army," even though the sword features Skales, who is a Hypnobrai.