In 2010, LEGO released 9 Seasonal sets across 5 subthemes, all of these sets have been retired. Subthemes for that year included Christmas, Easter, Halloween, Thanksgiving, and Valentines Day. For that year, the total price of all retail sets cost $41, today those sets are valued around $119, a growth of 191%.
Most valuable 2010 LEGO Seasonal set
40004 Heart $34.18
Largest 2010 LEGO Seasonal set
40009 Holiday Building Set 85 pieces
Theme / Subtheme Seasonal / Valentine's Day
Year 2010
Pieces 26
Availability Retired
40004 LEGO Valentine's Day Heart
Retail $4.99
Value $34.18
Growth  +585.0%
Annual growth 7.9%
Theme / Subtheme Seasonal / Easter
Year 2010
Pieces 81
Availability Retired
40005 LEGO Easter Bunny
Retail $9.99
Value $11.60
Growth  +16.1%
Annual growth 1.8%
Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 64
Availability Retired
40008 LEGO Christmas Snowman Building Set
Retail $4.99
Value $8.96
Growth  +79.6%
Annual growth 2.5%
Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 85
Availability Retired
40009 LEGO Christmas Holiday Building Set
Retail $4.99
Value $9.28
Growth  +86.0%
Annual growth 2.4%
Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 71
Availability Retired
40010 LEGO Father Christmas with Sledge Building Set
Retail $4.99
Value $11.98
Growth  +140.1%
Annual growth 7.4%
Theme / Subtheme Seasonal / Thanksgiving
Year 2010
Pieces 52
Availability Retired
40011 LEGO Thanksgiving Turkey
Retail $4.99
Value $23.26
Growth  +366.1%
Annual growth 6.6%
Theme / Subtheme Seasonal / Halloween
Year 2010
Pieces 18
Availability Retired
40012 LEGO Halloween Pumpkin
Retail $1.99
Value $7.41
Growth  +272.4%
Annual growth 4.6%
Theme / Subtheme Seasonal / Halloween
Year 2010
Pieces 18
Availability Retired
40013 LEGO Halloween Ghost
Retail $1.99
Value $6.19
Growth  +211.1%
Annual growth 5.0%
Theme / Subtheme Seasonal / Halloween
Year 2010
Pieces 25
Availability Retired
40014 LEGO Halloween Bat
Retail $1.99
Value $6.05
Growth  +204.0%
Annual growth 4.7%