In 2016, LEGO released 2 Juniors City sets, all of these sets have been retired. For that year, the total price of all retail sets cost $10, today those sets are valued around $21, a growth of 112%.
Most valuable 2016 LEGO Juniors City set
10720 Police Helicopter Chase $14.99
2 sets

10720 Police Helicopter Chase

Theme / Subtheme Juniors / City
Year 2016
Pieces / Minifigs 63 / 2
Availability Retired
10720 LEGO Juniors City Police Helicopter Chase
Retail $9.99
Value $14.99
Growth  +50.1%
Annual growth 2.8%

30473 Racer

Theme / Subtheme Juniors / City
Year 2016
Pieces / Minifigs 30 / 1
Availability Retired
30473 LEGO Juniors City Racer
promotional
Value $6.21
Annual growth 11.3%