Batman and The Joker Escape

Notable parts

• 5 parts come in a colour no other set has for that mould: Cylinder Half 2 x 4 x 2 with 1 x 2 Cutout (Sand Green) ×2; Panel 1 x 4 x 5 with Arched Window (Sand Green) ×2; Tower Roof 2 x 4 x 4 Half Cone Shaped with Roof Tiles (Dark Green) ×2; Helicopter Body 4 x 14 x 5 with Top Pin (Black); Panel 3 x 4 x 6 with Arched Window (Sand Green).
• 2 printed parts are only in this set: Brick 1 x 4 x 3 with TV Screen, Joker, Red, Orange, Green Button print (White); Panel 4 x 16 x 10 with Gate with Stones, Dead Shrubbery, Screen with Lock… (Sand Green).
• 6 parts appear in only a few other sets: Hat, Police [Plain] (Black) — also in 70620 NINJAGO City; Plate Special 9 x 16 x 2/3 with 1 x 4 Recessed (Lime) — also in 10769 RV Vacation; Vehicle Base, Motorcycle Chassis, Clip for Handle (Medium Azure) — also in 70833 Lucy's Builder Box!; Door, Gate 1 x 4 x 7 2/3 with Curved Top (Reddish Brown) ×2 — also in 10725 Lost Temple, 10758 T. rex Breakout; Sports Baseball Bat 4L with Medium Nougat Print (White) — also in 8803-16, 71716 Lloyd Avatar - Arcade Pod, 71030-6; Brick Curved 2 x 4 Double, No Studs, with Groove (Yellow) ×2 — also in 4888 Ocean Odyssey, 10734 Demolition Site, 75938 T. rex vs Dino-Mech Battle, 7344 Dump Truck.
• 1 mould first came out in 2019, including in this set: Brick 1 x 4 x 3 with TV Screen, Joker, Red, Orange, Green Button print.
• 5 existing moulds first came out in their colour in 2019, including in this set: Brick Round 2 x 2 Sphere with Stud [Plain] (Black) ×3; Brick Curved 4 x 1 Double with No Studs (Dark Green); Plate Special 9 x 16 x 2/3 with 1 x 4 Recessed (Lime); Tall Top Hat [PLAIN] (Dark Purple); Vehicle Base, Motorcycle Chassis, Clip for Handle (Medium Azure).

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