In 2015, LEGO released 8 Juniors sets across 4 subthemes, all of these sets have been retired. Subthemes for that year included City, Fantasy, Girl, and Super Heroes. For that year, the total price of all retail sets cost $160, today those sets are valued around $324, a growth of 103%.
Most valuable 2015 LEGO Juniors set
10680 Garbage Truck $63.90
Highest growth 2015 Juniors set
10679 Pirate Treasure Hunt +231.73%
Largest 2015 LEGO Juniors set
10686 Family House 226 pieces
Most owned 2015 Juniors set
10687 Spider-Man Hideout
8 sets

10677 Beach Trip

Theme / Subtheme Juniors / Girl
Year 2015
Pieces / Minifigs 74 / 1
Availability Retired
10677 LEGO Juniors Girl Beach Trip
Retail $9.99
Value $20.76
Growth  +107.8%
Annual growth 3.6%

10679 Pirate Treasure Hunt

Theme / Subtheme Juniors / Fantasy
Year 2015
Pieces / Minifigs 57 / 2
Availability Retired
10679 LEGO Juniors Fantasy Pirate Treasure Hunt
Retail $9.99
Value $33.14
Growth  +231.7%
Annual growth 5.8%

10680 Garbage Truck

Theme / Subtheme Juniors / City
Year 2015
Pieces / Minifigs 99 / 2
Availability Retired
10680 LEGO Juniors City Garbage Truck
Retail $19.99
Value $63.90
Growth  +219.7%
Annual growth 8.7%

10683 Road Work Truck

Theme / Subtheme Juniors / City
Year 2015
Pieces / Minifigs 132 / 2
Availability Retired
10683 LEGO Juniors City Road Work Truck
Retail $19.99
Value $40.82
Growth  +104.2%
Annual growth 7.5%

10684 Supermarket Suitcase

Theme / Subtheme Juniors / Girl
Year 2015
Pieces / Minifigs 134 / 2
Availability Retired
10684 LEGO Juniors Girl Supermarket Suitcase
Retail $19.99
Value $39.99
Growth  +100.1%
Annual growth 4.6%

10685 Fire Suitcase

Theme / Subtheme Juniors / City
Year 2015
Pieces / Minifigs 113 / 2
Availability Retired
10685 LEGO Juniors City Fire Suitcase
Retail $19.99
Value $29.29
Growth  +46.5%
Annual growth 4.1%

10686 Family House

Theme / Subtheme Juniors / Girl
Year 2015
Pieces / Minifigs 226 / 3
Availability Retired
10686 LEGO Juniors Girl Family House
Retail $29.99
Value $46.74
Growth  +55.9%
Annual growth 4.6%

10687 Spider-Man Hideout

Theme / Subtheme Juniors / Super Heroes
Year 2015
Pieces / Minifigs 137 / 3
Availability Retired
10687 LEGO Juniors Super Heroes Spider-Man Hideout
Retail $29.99
Value $49.25
Growth  +64.2%
Annual growth 3.2%