Ninjago is a subtheme of BrickHeadz that consists of 3 sets that ran from 2017 to 2021. Most sets were released in 2017 which accounted for 2 sets. As of today, the average annual growth of sets in BrickHeadz Ninjago is approximately 6.3% per year.
Most valuable BrickHeadz Ninjago set
41487 Lloyd $51.28
Largest BrickHeadz Ninjago set
40490 Ninjago 10 406 pieces
LEGO Ninjago BrickHeadz characters have been released from 2017 and feature only a couple sets currently with characters such as Lloyd and Master Wu.
3 sets

40490 Ninjago 10

Theme / Subtheme BrickHeadz / Ninjago
Year 2021
Pieces 406
Availability Retired
40490 LEGO BrickHeadz Ninjago 10
Retail $29.99
Value $31.57
Growth  +5.3%
Annual growth 3.9%

41487 Lloyd

Theme / Subtheme BrickHeadz / Ninjago
Year 2017
Pieces 102
Availability Retired
41487 LEGO BrickHeadz Ninjago Lloyd
Retail $9.99
Value $51.28
Growth  +413.3%
Annual growth 9.0%

41488 Master Wu

Theme / Subtheme BrickHeadz / Ninjago
Year 2017
Pieces 89
Availability Retired
41488 LEGO BrickHeadz Ninjago Master Wu
Retail $9.99
Value $36.11
Growth  +261.5%
Annual growth 8.7%