In 2013, LEGO released 1 Seasonal Valentine's Day sets, all of these sets have been retired.
1 set

40051 Valentine's Day Heart Box

Theme / Subtheme Seasonal / Valentine's Day
Year 2013
Pieces 54
Availability Retired
40051 LEGO Valentine's Day Heart Box
Retail $4.99
Value $21.69
Growth  +334.7%
Annual growth 13.7%