In 2012, LEGO released 3 Friends Horseback Riding sets, all of these sets have been retired. For that year, the total price of all retail sets cost $175, today those sets are valued around $428, a growth of 145%.
Most valuable 2012 LEGO Friends Horseback Riding set
3185 Summer Riding Camp $226.22
Highest growth 2012 Friends Horseback Riding set
3189 Heartlake Stables +172.53%
Most owned 2012 Friends Horseback Riding set
3186 Emma's Horse Trailer
3 sets

3185 Summer Riding Camp

Theme / Subtheme Friends / Horseback Riding
Year 2012
Pieces / Mini-doll figures 1,112 / 4
Availability Retired
3185 LEGO Friends Riding Camp
Retail $99.99
Value $226.22
Growth  +126.2%
Annual growth 4.0%

3186 Emma's Horse Trailer

Theme / Subtheme Friends / Horseback Riding
Year 2012
Pieces / Mini-doll figures 218 / 1
Availability Retired
3186 LEGO Friends Emma's Horse Trailer
Retail $24.99
Value $65.42
Growth  +161.8%
Annual growth 5.1%

3189 Heartlake Stables

Theme / Subtheme Friends / Horseback Riding
Year 2012
Pieces / Mini-doll figures 401 / 2
Availability Retired
3189 LEGO Friends Heartlake Stables
Retail $49.99
Value $136.24
Growth  +172.5%
Annual growth 5.3%