The Joker Balloon Escape

Notable parts

• 2 parts appear in only a few other sets: Brick Round 2 x 2 x 1 1/3 Inverted (Blue) — also in 41453 Party Time, 71425 Diddy Kong's Mine Cart Ride; Hipwear Coattails, Long, Three Holes (Dark Purple) — also in 30523 The Joker Battle Training, 211702 The Joker, 70908 The Scuttler (all Super Heroes DC).
• 3 moulds first came out in 2017, including in this set: Hair Bushy Swept Back (The Joker); Hipwear Coattails, Long, Three Holes; Minifig Hipwear Utility Belt.
• 3 existing moulds first came out in their colour in 2017, including in this set: Brick Round 1 x 1 diameter Tube with 90 Degree Elbow (2 x 2 x 1) and Axle Holes… (Red) ×2; Brick Round 2 x 2 x 1 1/3 Inverted (Blue); Tile Special Round 2 x 2 with Hole (Lime).

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