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1 mould appears in no other set

• Minifig Head Special, Simpsons, Snake

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

• Brick Sloped 45° 2 x 4Dark Orange · ×120
• Brick Sloped 45° 2 x 2 Double ConvexDark Orange · ×20
• Bag / Sack with HandleBlack · ×2

10 printed parts are only in this set

• Brick 1 x 1 with Cow and Chocolate Bar (Chocolate Milk Carton) PrintReddish Brown · ×7
• Brick Round 1 x 1 with Chef and 'Soup for One' PrintWhite · ×4
• Brick 1 x 2 x 2 with 'KRUSTY O's' Cereal Box PrintRed · ×3
• Tile 2 x 2 with 'ANGRY DAD' PrintBright Pink · ×3
• Tile 2 x 2 with 'MOM MONTHLY' PrintBright Light Orange · ×3
• and 5 more

11 parts appear in only a few other sets

• Brick Round 1 x 1 with 'Buzz Cola' PrintRed · ×4also in 71202 The Simpsons Level Pack
• Brick Sloped 45° 2 x 2 with Building on Blue Screen, Card Slot and Keypad PrintGreen · ×2also in 10720 Police Helicopter Chase
• Equipment Cup and Straw with Trans Clear Dome Lid and Dark Purple and Orange…Limealso in 71009-7
• Hipwear Skirt, Long [10mm]Limealso in 71005-3
• Plate 8 x 16Sand Blue · ×6also in 75810 The Upside Down, 41740 Aliya's Room
• Weapon TruncheonDark Bluish Grayalso in 71005-15, 10255 Assembly Square
• Door 1 x 4 x 6 with 3 Panes and Stud Handle with Trans-Light Blue GlassDark Bluish Gray · ×2also in 9699 Climate Connections Challenge Kit, 8186 Street Extreme, 7945 Fire Station
• Torso, Dual Molded Arms, Red Sleeves Pattern, Yellow Arms and HandsRedalso in 71211 Bart Simpson Fun Pack, 10352 The Simpsons: Krusty Burger, 71006 The Simpsons House
• Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]Medium Blue · ×2also in 41053 Cinderella's Dream Carriage, 76032 The Avengers Quinjet City Chase, 4339 Aqua Pod, 41066 Anna & Kristoff's Sleigh Adventure
• Plate 2 x 16Medium Blue · ×2also in 21039 Shanghai, 21047 Las Vegas, 21068 Shanghai, 10232 Palace Cinema
• Brick Special 1 x 1 with Clip Vertical [Open O Clip, Hollow Stud]Medium Bluealso in 3189 Heartlake Stables, 7346 Seaside House, 41185 Magic Rescue from the Goblin Village, 9480 Finn McMissile

2 moulds first came out in 2015, including in this set

• Equipment Cup and Straw with Trans Clear Dome Lid and Dark Purple and Orange…×2
• Bracket 3 x 2 x 1 1/3 with Pin Bottom

9 existing moulds first came out in their colour in 2015, including in this set

• Brick Special 1 x 2 with 2 Studs on 1 SideYellow · ×8
• Tile 2 x 2 with GrooveMedium Nougat · ×8
• Plate 8 x 16Sand Blue · ×6
• Equipment Cup with Take Out Lid Without Drinking Hole [Plain]White · ×2
• Brick Curved 2 x 2 x 2/3Light Bluish Gray
• and 4 more

4 minifigure parts with their print are only in this set

• Minifig Head Special, Simpsons, Chief Wiggum with Pink Doughnut Frosting…Yellow
• Torso Shirt with Black Tie, Pink Stain, and Police Badge Print, Blue Arms…Blue
• Torso, Dual Molded Arms, Jacket with ID Badge over White Shirt Print, Light…Light Aqua
• Torso, Dual Molded Arms, Vest over Bright Light Blue Undershirt Print, Bright…Dark Blue