In 2010, LEGO released 3 Seasonal Christmas sets, all of these sets have been retired. For that year, the total price of all retail sets cost $15, today those sets are valued around $33, a growth of 122%.
Most valuable 2010 LEGO Seasonal Christmas set
40010 Father Christmas with Sledge Building Set $14.09
Largest 2010 LEGO Seasonal Christmas set
40009 Holiday Building Set 85 pieces
3 sets

40008 Snowman Building Set

Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 64
Availability Retired
40008 LEGO Christmas Snowman Building Set
Retail $4.99
Value $8.99
Growth  +80.2%
Annual growth 3.4%

40009 Holiday Building Set

Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 85
Availability Retired
40009 LEGO Christmas Holiday Building Set
Retail $4.99
Value $10.21
Growth  +104.6%
Annual growth 3.1%

40010 Father Christmas with Sledge Building Set

Theme / Subtheme Seasonal / Christmas
Year 2010
Pieces 71
Availability Retired
40010 LEGO Father Christmas with Sledge Building Set
Retail $4.99
Value $14.09
Growth  +182.4%
Annual growth 8.5%