Ninjago Battle Arena

Notable parts

• 6 moulds appear in no other set: Trading Card, Ninjago Deck #1: 14 - Cole DX - North American Version; Trading Card, Ninjago Deck #1: 20 - Magnetize - North American Version; Trading Card, Ninjago Deck #1: 34 - Throwing Star - North American Version; Trading Card, Ninjago Deck #1: 43 - Limbo - North American Version; Trading Card, Ninjago Deck #1: 69 - Off Balance - North American Version; and 1 more.
• 8 parts appear in only a few other sets: Trading Card, Ninjago Deck #1: 39 - Karate Chop - North American Version ([No Color/Any Color]) — also in 2116 Krazi (all Ninjago); Trading Card, Ninjago Deck #1: 51 - Throwing Star - North American Version ([No Color/Any Color]) — also in 2113 Zane (all Ninjago); Trading Card, Ninjago Deck #1: 70 - Rock Block - North American Version ([No Color/Any Color]) — also in 2114 Chopov (all Ninjago); Trading Card, Ninjago Deck #1: 73 - Safeguard - North American Version ([No Color/Any Color]) — also in 2113 Zane (all Ninjago); Turntable 6 x 6 Round Dark Bluish Gray Base with Black Top with Blue Skulls on… (Black) — also in 2115 Bonezai (all Ninjago); Turntable 6 x 6 Round Red Base with Pearl Gold Top with Gold Faces on Black… (Pearl Gold) — also in 2170 Cole DX (all Ninjago); Animal Body Part, Dog Bone [Long] (Pearl Gold) — also in 2173 Nuckal, 2116 Krazi (all Ninjago); Glass for Window 1 x 4 x 6 with Asian/Japanese Characters 'Ninja' on White… (Trans-Clear) ×3 — also in 2504 Spinjitzu Dojo, 2507 Fire Temple, 41002 Emma's Karate Class.
• 2 parts are otherwise only found in Ninjago sets: Weapon Axe Head, Clip-on (Viking) [Thin Clip] (Pearl Gold); Weapon Sword / Scimitar Notched Blade (Pearl Gold).
• 12 moulds first came out in 2011, including in this set: Bar 1L with Top Stud and Two Side Studs ×3; Animal Body Part, Dog Bone [Long] ×2; Arm Skeleton Bent with Clips at 90° [Vertical Grip] ×2; Leg Skeleton with Black Square Foot ×2; Plate Special 1 x 2, Top Clip [Split] ×2; and 7 more.
• 4 existing moulds first came out in their colour in 2011, including in this set: Weapon Axe Head, Clip-on (Viking) [Thin Clip] (Pearl Gold); Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] (Pearl Gold); Weapon Sword / Katana / Shamshir with Uncapped Pommel [Square Guard] (Flat Silver); Weapon Sword / Scimitar Notched Blade (Pearl Gold).

Calculated from Rebrickable’s public set inventories, excluding sticker sheets and spare parts.