In 2020, LEGO released 4 BrickHeadz Seasonal sets, all of these sets have been retired. For that year, the total price of all retail sets cost $40, today those sets are valued around $77, a growth of 92%.
Most valuable 2020 LEGO BrickHeadz Seasonal set
40436 Lucky Cat $25.70
Largest 2020 LEGO BrickHeadz Seasonal set
40380 Easter Sheep 192 pieces
Most owned 2020 BrickHeadz Seasonal set
40425 Nutcracker
4 sets

40379 Bear

Theme / Subtheme BrickHeadz / Seasonal
Year 2020
Pieces 150
Availability Retired
40379 LEGO BrickHeadz Bear
Retail $9.99
Value $21.05
Growth  +110.7%
Annual growth 7.0%

40380 Easter Sheep

Theme / Subtheme BrickHeadz / Seasonal
Year 2020
Pieces 192
Availability Retired
40380 LEGO BrickHeadz Easter Sheep
Retail $9.99
Value $17.50
Growth  +75.2%
Annual growth 8.3%

40425 Nutcracker

Theme / Subtheme BrickHeadz / Seasonal
Year 2020
Pieces 180
Availability Retired
40425 LEGO BrickHeadz Nutcracker
Retail $9.99
Value $12.63
Growth  +26.4%
Annual growth 5.4%

40436 Lucky Cat

Theme / Subtheme BrickHeadz / Seasonal
Year 2020
Pieces 134
Availability Retired
40436 LEGO BrickHeadz Lucky Cat
Retail $9.99
Value $25.70
Growth  +157.3%
Annual growth 12.1%