An old 2011 mini lego catalogue featuring this nostalgic page : r/Ninjago
LEGO NINJAGO from thought to theme: Before time had a name
2011 LEGO Ninjago Set #2112 COLE New, Factory Sealed, See Pics!! 673419144667 | eBay
Amazon.com: LEGO Ninjago Exclusive Limited Edition Set #2520 Ninjago Battle Arena Includes Cole Dragon Ninja Mini Figure Spinner! : Toys & Games
Lego Year 2011 Ninjago Masters of Spinjitzu Series Special Edition Set # 2520 - NINJAGO BATTLE ARENA with Cole in Dragon Suit and Bonezai Minifigure, 14 Weapons, 2 Character Cards and 8
Amazon.com: Lego Year 2011 Ninjago "Masters of Spinjitzu" Animated Series Vehicle Set # 2518 - NUCKAL'S ATV with 4 Wheel Suspension System, Missile Launcher and 1 Missile, Exhaust Flames Plus Nuckal and