In 2012, LEGO released 8 Ninjago Promotional sets, all of these sets have been retired. For that year, the total price of all retail sets cost $15, today those sets are valued around $226, a growth of 1410%.
Most valuable 2012 LEGO Ninjago Promotional set
4659612 Spinner Ring $138.52
Highest growth 2012 Ninjago Promotional set
850445 Ninjago Character Card Shrine +163.64%
Most owned 2012 Ninjago Promotional set
30086 Hidden Sword
8 sets

30085 Jumping Snakes

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces / Minifigs 42 / 1
Availability Retired
30085 LEGO Ninjago Jumping Snakes
promotional
Value $9.31
Annual growth 6.1%

30086 Hidden Sword

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces / Minifigs 39 / 1
Availability Retired
30086 LEGO Ninjago Hidden Sword
promotional
Value $12.02
Annual growth 5.9%

30087 Car

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces / Minifigs 27 / 1
Availability Retired
30087 LEGO Ninjago Car
promotional
Value $7.67
Annual growth 5.7%

30088 Rattla

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces / Minifigs 5 / 1
Availability Retired
30088 LEGO Ninjago Rattla
promotional
Value $11.86
Annual growth 5.3%

850445 Ninjago Character Card Shrine

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces / Minifigs 88 / 1
Availability Retired
850445 LEGO Ninjago Character Card Shrine
Retail $14.99
Value $39.52
Growth  +163.6%
Annual growth 7.0%

4659612 Spinner Ring

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces 1
Availability Retired
4659612 LEGO Ninjago Spinner Ring
promotional
Value $138.52
Annual growth 20.6%

4659640 Special Edition Card

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces 1
Availability Retired
4659640 LEGO Ninjago Special Edition Card
promotional
Value $3.14
Annual growth 9.2%

6012298 Ninjago

Theme / Subtheme Ninjago / Promotional
Year 2012
Pieces 11
Availability Retired
6012298 LEGO Ninjago
promotional
Value $4.30
Annual growth 7.6%