Ecto-1 & 2

3 parts come in a colour no other set has for that mould

• Arm Skeleton Bent with Clips at 90° [Vertical Grip]Red · ×2
• Hair High Bangs, Large Wavy Curls and Small BunBright Light Yellow
• Torso Skeleton, Angular Rib Cage, PlainTrans-Brown

2 printed parts are only in this set

• Brick Curved 2 x 2 x 2/3 with Red, Light Bluish Gray and Black Stripes PrintWhite · ×14
• Brick Curved 2 x 1 No Studs with Ecto 1 Stripes PrintWhite · ×2

7 parts appear in only a few other sets

• Plate Round 2 x 2 with Rounded Bottom with Ghostbusters Reboot Proton Pack PrintDark Bluish Gray · ×4also in 71242 New Ghostbusters: Play the Complete Movie
• Technic Gear 12 Tooth BevelRed · ×4also in 9754 Dark Side Developer Kit
• Hair Updo with Tight Curls and Elaborate BraidsBlackalso in 76103 Corvus Glaive Thresher Attack
• Brick Curved 2 x 2 x 2/3 with Ghostbusters PrintWhite · ×2also in 21108 Ghostbusters Ecto-1, 71228 Ghostbusters Level Pack
• Leg SkeletonRed · ×2also in 30425 CRU Masters' Training Grounds, 10300 Back to the Future Time Machine
• Tile 1 x 2 with 'ECTO-1' and 'NEW YORK' License Plate PrintBright Light Orange · ×2also in 75827 Firehouse Headquarters, 21108 Ghostbusters Ecto-1
• Fairing, Motorcycle, VintageWhitealso in 76035 Jokerland, 10767 Duke Caboom's Stunt Show

7 moulds first came out in 2016, including in this set

• Wedge Plate 2 x 2 Left×4
• Wedge Plate 2 x 2 Right×4
• Plate Special Round 1 x 1 with Hollow Stud and Bar on Underside×2
• Hair High Bangs, Large Wavy Curls and Small Bun
• Hair Large High Bun
• and 2 more

5 existing moulds first came out in their colour in 2016, including in this set

• Tile Special 1 x 2 with Sloped Walls AKA Money / Gold Bar [Ingot]Black · ×8
• Brick Curved Inverted 2 x 1Black · ×4
• Leg SkeletonRed · ×2
• Tile Round 1 x 1Black · ×2
• ToolboxDark Blue

14 minifigure parts with their print are only in this set

• Head Top Gargoyle Horns and Ears with Lime PrintRed
• Hips and Dark Tan Legs with 2 Large Front Pockets, Silver and Orange Stripes…Dark Tan
• Hips and Dark Tan Legs with Pockets and Silver and Orange StripesDark Tan
• Hips with Dark Tan Legs and Black Boots Pattern with 2 Pockets, Silver and…Dark Tan
• Minifig Head Abby Yates, Dual Sided, Reddish Brown Glasses, Bright Pink Lips…Light Nougat
• and 9 more