In 2015, LEGO released 4 Creator Promotional sets, all of these sets have been retired. For that year, the total price of all retail sets cost $9, today those sets are valued around $36, a growth of 301%.
Most valuable 2015 LEGO Creator Promotional set
40140 Flower Cart $19.16
Highest growth 2015 Creator Promotional set
30284 Tractor +50.70%
Largest 2015 LEGO Creator Promotional set
30285 Tiger 73 pieces
4 sets
Theme / Subtheme Creator / Promotional
Year 2015
Pieces 43
Availability Retired
30283 LEGO Creator Off-Road
promotional
Value $4.30
Annual growth 4.7%
Theme / Subtheme Creator / Promotional
Year 2015
Pieces 51
Availability Retired
30284 LEGO Creator Tractor
Retail $4.99
Value $7.52
Growth  +50.7%
Annual growth 8.9%
Theme / Subtheme Creator / Promotional
Year 2015
Pieces 73
Availability Retired
30285 LEGO Creator Tiger
Retail $3.99
Value $5.01
Growth  +25.6%
Annual growth 2.2%
Theme / Subtheme Creator / Promotional
Year 2015
Pieces / Minifigs 71 / 1
Availability Retired
40140 LEGO Creator Flower Cart
promotional
Value $19.16
Annual growth 2.4%