In 2014, LEGO released 12 Juniors sets across 5 subthemes, all of these sets have been retired. Subthemes for that year included City, Fantasy, Girl, Super Heroes, and Teenage Mutant Ninja Turtles. For that year, the total price of all retail sets cost $288, today those sets are valued around $635, a growth of 121%.
Most valuable 2014 LEGO Juniors set
10676 Knights' Castle $113.44
Highest growth 2014 Juniors set
10669 Turtle Lair +310.26%
Most owned 2014 Juniors set
10665 Spider-Man Spider-Car Pursuit
12 sets

10659-2 Vehicle Suitcase

Theme Juniors
Year 2014
Pieces / Minifigs 146 / 2
Availability Retired
10659-2 LEGO Juniors Vehicle Suitcase
Retail $24.99
Value $47.32
Growth  +89.4%
Annual growth 3.0%

10665 Spider-Man Spider-Car Pursuit

Theme / Subtheme Juniors / Super Heroes
Year 2014
Pieces / Minifigs 55 / 2
Availability Retired
10665 LEGO Juniors Super Heroes Spider-Man Spider-Car Pursuit
Retail $12.99
Value $28.80
Growth  +121.7%
Annual growth 4.0%

10666 Digger

Theme / Subtheme Juniors / City
Year 2014
Pieces / Minifigs 75 / 1
Availability Retired
10666 LEGO Juniors City Digger
Retail $9.99
Value $20.98
Growth  +110.0%
Annual growth 6.3%

10667 Construction

Theme / Subtheme Juniors / City
Year 2014
Pieces / Minifigs 160 / 1
Availability Retired
10667 LEGO Juniors City Construction
Retail $14.99
Value $35.00
Growth  +133.5%
Annual growth 6.6%

10668 The Princess Play Castle

Theme / Subtheme Juniors / Fantasy
Year 2014
Pieces / Minifigs 150 / 1
Availability Retired
10668 LEGO Juniors Fantasy The Princess Play Castle
Retail $14.99
Value $43.44
Growth  +189.8%
Annual growth 5.5%

10669 Turtle Lair

Theme / Subtheme Juniors / Teenage Mutant Ninja Turtles
Year 2014
Pieces / Minifigs 107 / 2
Availability Retired
10669 LEGO Juniors Teenage Mutant Ninja Turtles Turtle Lair
Retail $19.99
Value $82.01
Growth  +310.3%
Annual growth 9.6%

10671 Fire Emergency

Theme / Subtheme Juniors / City
Year 2014
Pieces / Minifigs 123 / 2
Availability Retired
10671 LEGO Juniors City Fire Emergency
Retail $19.99
Value $20.00
Growth  +0.1%
Annual growth 1.2%

10672 Batman Defend the Batcave

Theme / Subtheme Juniors / Super Heroes
Year 2014
Pieces / Minifigs 150 / 3
Availability Retired
10672 LEGO Juniors Super Heroes Batman Defend the Batcave
Retail $29.99
Value $73.01
Growth  +143.4%
Annual growth 4.5%

10673 Race Car Rally

Theme / Subtheme Juniors / City
Year 2014
Pieces / Minifigs 350 / 2
Availability Retired
10673 LEGO Juniors City Race Car Rally
Retail $29.99
Value $47.73
Growth  +59.2%
Annual growth 5.6%

10674 Pony Farm

Theme / Subtheme Juniors / Girl
Year 2014
Pieces / Minifigs 306 / 1
Availability Retired
10674 LEGO Juniors Girl Pony Farm
Retail $29.99
Value $61.63
Growth  +105.5%
Annual growth 6.0%

10675 Police – The Big Escape

Theme / Subtheme Juniors / City
Year 2014
Pieces / Minifigs 146 / 3
Availability Retired
10675 LEGO Juniors City Police – The Big Escape
Retail $29.99
Value $62.10
Growth  +107.1%
Annual growth 7.9%

10676 Knights' Castle

Theme / Subtheme Juniors / Fantasy
Year 2014
Pieces / Minifigs 480 / 4
Availability Retired
10676 LEGO Juniors Fantasy Knights' Castle
Retail $49.99
Value $113.44
Growth  +126.9%
Annual growth 5.2%