Rainbow Caterbus

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

• Brick Curved 8 x 8 x 2 DoubleMagenta
• Brick Curved 8 x 8 x 2 DoubleMedium Azure
• Brick Curved Inverted 8 x 8 x 2 DoubleMagenta

17 parts appear in only a few other sets

• Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross SupportsDark Turquoise · ×2also in 41394 Heartlake City Hospital
• Brick Curved Inverted 8 x 8 x 2 DoubleMedium Azurealso in 41429 Heartlake City Airplane
• Dish 8 x 8 Inverted [Radar], Solid Studs, Squared Anti-stud UndersideDark Pinkalso in 41252 Poppy's Air Balloon Adventure (all Trolls: World Tour)
• Flower, Felt 6 x 6 with Square HoleMagentaalso in 41255 Pop Village Celebration (all Trolls: World Tour)
• Leaf, Felt 6 1/2 x 7 1/2 with Square HoleDark Purplealso in 41255 Pop Village Celebration (all Trolls: World Tour)
• Equipment CandlestickBlue · ×2also in 76461 Cornish Pixie, 60512 Mountain Bike Adventure Van
• Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]Dark Turquoisealso in 41255 Pop Village Celebration, 41433 Party Boat
• Tile Round 2 x 2 with Face with Round Mouth PrintBright Light Orangealso in 41251 Poppy's Pod, 41255 Pop Village Celebration (all Trolls: World Tour)
• Plate Round 4 x 4 with 2 x 2 Round OpeningDark Pink · ×4also in 41374 Andrea's Pool Party, 41394 Heartlake City Hospital, 41430 Summer Fun Water Park
• Food Cupcake with StudMedium Azure · ×3also in 41251 Poppy's Pod, 41252 Poppy's Air Balloon Adventure, 30555 Poppy's Carriage (all Trolls: World Tour)
• Headwear Accessory Double Heart on PinMedium Azure · ×2also in 41251 Poppy's Pod, 30555 Poppy's Carriage, 41252 Poppy's Air Balloon Adventure (all Trolls: World Tour)
• Plant, Flower, 7 Petals on PinMedium Azure · ×2also in 41251 Poppy's Pod, 41252 Poppy's Air Balloon Adventure, 30555 Poppy's Carriage (all Trolls: World Tour)
• and 5 more

8 moulds first came out in 2020, including in this set

• Musical Key×11
• Minifig Head Special, with Ears and 4 Studs on Top, with Face with Magenta Nose…×2
• Flower, Felt 6 x 6 with Square Hole
• Hair and Hat, Braided with Lime Flat Cap with Pin Hole in Top
• Hair Tall Ponytail with Four Points, One Stud on Top, and Pin Hole in Front…
• and 3 more

11 existing moulds first came out in their colour in 2020, including in this set

• Brick 1 x 3Medium Azure · ×2
• Brick Arch 1 x 12 x 3 Raised Arch with 5 Cross SupportsDark Turquoise · ×2
• Equipment CandlestickBlue · ×2
• Plate Special 1 x 2 with 1 Stud with Groove and Inside Stud Holder (Jumper)Bright Pink · ×2
• Brick Arch 1 x 5 x 4 [Continuous Bow, Raised Underside Cross Supports]Dark Turquoise
• and 6 more