The Riddler Riddle Racer

Notable parts

• 3 moulds appear in no other set: Equipment Cane Handle, Question Mark with Stud Holder (Riddler); Neckwear Cape Collar, Square with Red '1' and '31' Print; Neckwear Cape, Four Slits with Red '2' to '13' (Calendar) Print.
• 2 parts come in a colour no other set has for that mould: Brick Sloped Inverted 45° 2 x 2 Double Convex (Dark Green) ×2; Minifig Neckwear Armor Shoulder Pads Elaborate with Raised Neck, Front Stud and… (Black).
• 1 printed part is only in this set: Brick Sloped 65° 2 x 2 x 2 with Bottom Tube with Silver Fold Lines Print (Black).
• 4 parts appear in only a few other sets: Hinge Brick 1 x 2 Top Plate Thin (Green) ×2 — also in 4097 Mini Robots; Hair Short Bob Cut (White) — also in 76098 Speed Force Freeze Pursuit (all Super Heroes DC); Wheel Arch, Mudguard, 1 1/2 x 6 x 1 [Arch Extended] (Green) ×4 — also in 9781465460899, 60445 F1 Truck with RB20 & AMR24 F1 Cars; Tile Special 2 x 3 with 2 Clips [Thick Open O Clips] (Dark Green) — also in 60200 Capital City, 41379 Heartlake City Restaurant, 71767 Ninja Dojo Temple, 71764 Ninja Training Centre.
• 2 moulds first came out in 2017, including in this set: Hair and Hat, Bowler, Dark Orange Wavy Shoulder Length Hair, with Bright Green…; Minifig Hipwear Utility Belt.
• 6 existing moulds first came out in their colour in 2017, including in this set: Brick Curved Inverted 2 x 1 (Dark Green) ×4; Wheel Arch, Mudguard, 1 1/2 x 6 x 1 [Arch Extended] (Green) ×4; Glass for Window 1 x 2 x 2 Flat (Trans-Yellow) ×2; Window 1 x 2 x 2 Flat Front (Green) ×2; Hair Short Bob Cut (White); and 1 more.
• 11 minifigure parts with their print are only in this set: Hat / Swimming Cap with White Calendar Grid Print (Red); Helmet, Sports with Kite Diamond Shape Logo Print (Yellow); Hips and Green Legs with Black Coattails Print (Green); Hips with White Legs and Red Boots Pattern with Leotard, White Tights with Red… (Red); Minifig Head Calendar Man, Balaclava, Black Eyemask, Light Nougat Face and… (Red); and 6 more.

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