In 2018, LEGO released 24 Unikitty! sets across 2 subthemes, all of these sets have been retired. Subthemes for that year included Collectibles Series 1 and Miscellaneous. For that year, the total price of all retail sets cost $506, today those sets are valued around $838, a growth of 66%.
Most valuable 2018 LEGO Unikitty! set
41775-14 Sealed Box $390.01
Highest growth 2018 Unikitty! set
41775-10 Sleepy Unikitty +225.56%
Largest 2018 LEGO Unikitty! set
41456 Unikingdom Fairground Fun 515 pieces
Most owned 2018 Unikitty! set
30406 Unikitty Roller Coaster Wagon
24 sets

30406 Unikitty Roller Coaster Wagon

Theme Unikitty!
Year 2018
Pieces / Minifigs 46 / 1
Availability Retired
30406 LEGO Unikitty! Unikitty Roller Coaster Wagon
promotional
Value $9.00
Annual growth 6.5%

40314 Dr. Fox Magnifying Machine

Theme / Subtheme Unikitty! / Miscellaneous
Year 2018
Pieces 76
Availability Retired
40314 LEGO Unikitty! Dr. Fox Magnifying Machine
Retail $16.99
Value $17.02
Growth  +0.2%

41451 Unikitty Cloud Car

Theme Unikitty!
Year 2018
Pieces / Minifigs 126 / 3
Availability Retired
41451 LEGO Unikitty! Unikitty Cloud Car
Retail $9.99
Value $15.99
Growth  +60.1%
Annual growth 7.1%

41452 Prince Puppycorn Trike

Theme Unikitty!
Year 2018
Pieces / Minifigs 101 / 3
Availability Retired
41452 LEGO Unikitty! Prince Puppycorn Trike
Retail $9.99
Value $13.00
Growth  +30.1%
Annual growth 2.9%

41453 Party Time

Theme Unikitty!
Year 2018
Pieces / Minifigs 214 / 4
Availability Retired
41453 LEGO Unikitty! Party Time
Retail $19.99
Value $21.26
Growth  +6.4%
Annual growth 1.1%

41454 Dr. Fox Laboratory

Theme Unikitty!
Year 2018
Pieces / Minifigs 359 / 4
Availability Retired
41454 LEGO Unikitty! Dr. Fox Laboratory
Retail $29.99
Value $42.65
Growth  +42.2%
Annual growth 4.9%

41455 Unikingdom Creative Brick Box

Theme Unikitty!
Year 2018
Pieces / Minifigs 433 / 17
Availability Retired
41455 LEGO Unikitty! Unikingdom Creative Brick Box
Retail $39.99
Value $75.12
Growth  +87.8%
Annual growth 7.8%

41456 Unikingdom Fairground Fun

Theme Unikitty!
Year 2018
Pieces / Minifigs 515 / 6
Availability Retired
41456 LEGO Unikitty! Unikingdom Fairground Fun
Retail $39.99
Value $90.00
Growth  +125.1%
Annual growth 8.8%

41775-0 Random Bag

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces 14
Availability Retired
41775-0 LEGO Unikitty! Collectibles Series 1 Random Bag
Retail $3.99
Value $5.00
Growth  +25.3%
Annual growth 2.7%

41775 Rainbow Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775 LEGO Unikitty! Collectibles Series 1 Rainbow Unikitty
Retail $3.99
Value $4.64
Growth  +16.3%
Annual growth 3.0%

41775-2 Angry Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-2 LEGO Unikitty! Collectibles Series 1 Angry Unikitty
Retail $3.99
Value $8.80
Growth  +120.6%
Annual growth 5.0%

41775-3 Shades Puppycorn

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-3 LEGO Unikitty! Collectibles Series 1 Shades Puppycorn
Retail $3.99
Value $6.39
Growth  +60.2%
Annual growth 4.6%

41775-4 Dinosaur Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-4 LEGO Unikitty! Collectibles Series 1 Dinosaur Unikitty
Retail $3.99
Value $5.96
Growth  +49.4%
Annual growth 4.8%

41775-5 Shades Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-5 LEGO Unikitty! Collectibles Series 1 Shades Unikitty
Retail $3.99
Value $5.81
Growth  +45.6%
Annual growth 4.4%

41775-6 Dalmatian Puppycorn

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-6 LEGO Unikitty! Collectibles Series 1 Dalmatian Puppycorn
Retail $3.99
Value $4.10
Growth  +2.8%

41775-7 Dessert Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-7 LEGO Unikitty! Collectibles Series 1 Dessert Unikitty
Retail $3.99
Value $7.71
Growth  +93.2%
Annual growth 7.0%

41775-8 Camouflage Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-8 LEGO Unikitty! Collectibles Series 1 Camouflage Unikitty
Retail $3.99
Value $10.43
Growth  +161.4%
Annual growth 7.0%

41775-9 Alien Puppycorn

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 14 / 1
Availability Retired
41775-9 LEGO Unikitty! Collectibles Series 1 Alien Puppycorn
Retail $3.99
Value $4.30
Growth  +7.8%
Annual growth 1.1%

41775-10 Sleepy Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 15 / 1
Availability Retired
41775-10 LEGO Unikitty! Collectibles Series 1 Sleepy Unikitty
Retail $3.99
Value $12.99
Growth  +225.6%
Annual growth 10.1%

41775-11 Queasy Unikitty

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 15 / 1
Availability Retired
41775-11 LEGO Unikitty! Collectibles Series 1 Queasy Unikitty
Retail $3.99
Value $12.99
Growth  +225.6%
Annual growth 9.8%

41775-12 Dessert Puppycorn

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 15 / 1
Availability Retired
41775-12 LEGO Unikitty! Collectibles Series 1 Dessert Puppycorn
Retail $3.99
Value $5.29
Growth  +32.6%
Annual growth 4.3%

41775-13 Complete Set

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Pieces / Minifigs 171 / 12
Availability Retired
41775-13 LEGO Unikitty! Collectibles Series 1 Complete Set
Retail $47.88
Value $62.49
Growth  +30.5%
Annual growth 3.1%

41775-14 Sealed Box

Theme / Subtheme Unikitty! / Collectibles Series 1
Year 2018
Availability Retired
41775-14 LEGO Unikitty! Collectibles Series 1 Sealed Box
Retail $239.40
Value $390.01
Growth  +62.9%
Annual growth 4.6%

5005239 Castle Room

Theme / Subtheme Unikitty! / Miscellaneous
Year 2018
Pieces / Minifigs 50 / 1
Availability Retired
5005239 LEGO Unikitty! Castle Room
promotional
Value $6.65
Annual growth 14.6%