In 2015, LEGO released 10 Classic sets in the subtheme Creative Box. For that year, the total price of all retail sets cost $268, today those sets are valued around $426, a growth of 59%.
Most valuable 2015 LEGO Classic set
10697 XXXL Box $143.52
Highest growth 2015 Classic set
10699 32x32 Sand Baseplate +194.74%
Most owned 2015 Classic set
10696 Medium Creative Brick Box
Theme Classic
Year 2015
Pieces 221
Availability Retired
10692 LEGO Creative Bricks
Retail $16.99
Value $19.99
Growth  +17.7%
Annual growth 6.5%
Theme Classic
Year 2015
Pieces 303
Availability Retired
10693 LEGO Creative Supplement
Retail $19.99
Value $23.99
Growth  +20.0%
Annual growth 3.6%
Theme Classic
Year 2015
Pieces 303
Availability Retired
10694 LEGO Creative Supplement Bright
Retail $19.99
Value $25.52
Growth  +27.7%
Annual growth 2.4%
Theme Classic
Year 2015
Pieces 580
Availability Retired
10695 LEGO Creative Building Box
Retail $24.99
Value $54.92
Growth  +119.8%
Annual growth 9.3%
Theme / Subtheme Classic / Creative Box
Year 2015
Pieces 484
Availability Retail (Retiring soon)
10696 LEGO Creative Box Medium Creative Brick Box
Retail $34.99
Available at retail
Retiring soon
Theme Classic
Year 2015
Pieces 1,500
Availability Retired
10697 LEGO XXXL Box
Retail $59.99
Value $143.52
Growth  +139.2%
Annual growth 8.2%
Theme / Subtheme Classic / Creative Box
Year 2015
Pieces 790
Availability Retail (Retiring soon)
10698 LEGO Creative Box Large Creative Brick Box
Retail $59.99
Available at retail
Retiring soon
Theme Classic
Year 2015
Pieces 1
Availability Retired
10699 LEGO 32x32 Sand Baseplate
Retail $7.99
Value $23.55
Growth  +194.7%
Annual growth 10.9%
Theme Classic
Year 2015
Pieces 1
Availability Retired
10700 LEGO 32x32 Green Baseplate
Retail $7.99
Value $15.95
Growth  +99.6%
Annual growth 15.3%
Theme Classic
Year 2015
Pieces 1
Availability Retired
10701 LEGO 48x48 Grey Baseplate
Retail $14.99
Value $23.16
Growth  +54.5%
Annual growth 4.6%