In 2018, LEGO released 5 BrickHeadz Seasonal sets, all of these sets have been retired. For that year, the total price of all retail sets cost $60, today those sets are valued around $94, a growth of 56%.
Most valuable 2018 LEGO BrickHeadz Seasonal set
40274 Mr. & Mrs. Claus $29.82
Highest growth 2018 BrickHeadz Seasonal set
40270 Valentine's Bee +98.40%
5 sets

40270 Valentine's Bee

Theme / Subtheme BrickHeadz / Seasonal
Year 2018
Pieces 140
Availability Retired
40270 LEGO BrickHeadz Valentine's Bee
Retail $9.99
Value $19.82
Growth  +98.4%
Annual growth 10.4%

40271 Bunny

Theme / Subtheme BrickHeadz / Seasonal
Year 2018
Pieces 126
Availability Retired
40271 LEGO BrickHeadz Bunny
Retail $9.99
Value $12.76
Growth  +27.7%
Annual growth 4.9%

40272 Witch

Theme / Subtheme BrickHeadz / Seasonal
Year 2018
Pieces 151
Availability Retired
40272 LEGO BrickHeadz Witch
Retail $9.99
Value $14.59
Growth  +46.0%
Annual growth 5.8%

40273 Turkey

Theme / Subtheme BrickHeadz / Seasonal
Year 2018
Pieces 114
Availability Retired
40273 LEGO BrickHeadz Turkey
Retail $9.99
Value $16.58
Growth  +66.0%
Annual growth 5.5%

40274 Mr. & Mrs. Claus

Theme / Subtheme BrickHeadz / Seasonal
Year 2018
Pieces 341
Availability Retired
40274 LEGO BrickHeadz Mr. & Mrs. Claus
Retail $19.99
Value $29.82
Growth  +49.2%
Annual growth 5.6%