The theme Rise of the Snakes contained sets based on the first season of Ninjago: Masters of Spinjitzu which was preceded by the pilot episodes wave. Sets focused on the four original ninja, against Pythor and the Serpentine villainous faction. Rise of the Snakes sets were released in two waves and depicted ninja vehicles and Serpentine vehicles, along with builds often depicting shrines. The second wave included the addition of translucent spinners, translucent vipers, the NRG ninja, and the Green Ninja.
Rise of the Snakes was introduced in 2012 and currently consists of 13 sets. As of today,
9445 Fangpyre Truck Ambush is the most valuable Rise of the Snakes set with an estimated new/factory sealed value of $413.
Summary
Ninjago Rise of the Snakes Samurai Mech set 9448 was released on June 2, 2012, retailing for $40, it has since been retired. New, unopened sets are valued at $150, while used sets sell around $50.
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