In 2014, LEGO released 4 Ideas sets across 3 subthemes, all of these sets have been retired. Subthemes for that year included Licensed, NASA, and Scientific. For that year, the total price of all retail sets cost $135, today those sets are valued around $633, a growth of 369%.
Most valuable 2014 LEGO Ideas set
21104 NASA Mars Science Laboratory Curiosity Rover $406.30
Largest 2014 LEGO Ideas set
21108 Ghostbusters Ecto-1 508 pieces
Theme / Subtheme Ideas / NASA
Year 2014
Pieces 295
Availability Retired
21104 LEGO Ideas NASA Mars Science Laboratory Curiosity Rover
Retail $29.99
Value $406.30
Growth  +1254.8%
Annual growth 12.3%
Theme / Subtheme Ideas / Licensed
Year 2014
Pieces / Minifigs 508 / 4
Availability Retired
21108 LEGO Ideas Ghostbusters Ecto-1
Retail $49.99
Value $114.27
Growth  +128.6%
Annual growth 11.4%
Theme Ideas
Year 2014
Pieces / Minifigs 321 / 2
Availability Retired
21109 LEGO Ideas Exo-Suit
Retail $34.99
Value $70.66
Growth  +101.9%
Annual growth 8.3%
Theme / Subtheme Ideas / Scientific
Year 2014
Pieces / Minifigs 165 / 3
Availability Retired
21110 LEGO Ideas Research Institute
Retail $19.99
Value $41.77
Growth  +109.0%
Annual growth 6.4%