In 2020, LEGO released 6 Ideas sets across 2 subthemes. Subthemes for that year included Licensed and NASA. For that year, the total price of all retail sets cost $980, today those sets are valued around $1,591, a growth of 62%.
Most valuable 2020 LEGO Ideas set
21323 Grand Piano $399.99
Highest growth 2020 Ideas set
92176 NASA Apollo Saturn V +141.69%
Most owned 2020 Ideas set
21321 International Space Station
6 sets

21321 International Space Station

Theme / Subtheme Ideas / NASA
Year 2020
Pieces 864
Availability Retired
21321 LEGO Ideas NASA International Space Station
Retail $69.99
Value $140.00
Growth  +100.0%
Annual growth 20.4%

21322 Pirates of Barracuda Bay

Theme Ideas
Year 2020
Pieces / Minifigs 2,545 / 10
Availability Retired
21322 LEGO Ideas Pirates of Barracuda Bay
Retail $199.99
Value $396.20
Growth  +98.1%
Annual growth 15.4%

21323 Grand Piano

Theme Ideas
Year 2020
Pieces 3,662
Availability Limited retail (Retiring soon)
21323 LEGO Ideas Grand Piano
Retail $399.99
Available at retail
Retiring soon

21324 123 Sesame Street

Theme / Subtheme Ideas / Licensed
Year 2020
Pieces / Minifigs 1,367 / 6
Availability Retired
21324 LEGO Ideas 123 Sesame Street
Retail $119.99
Value $199.40
Growth  +66.2%
Annual growth 14.1%

92176 NASA Apollo Saturn V

Theme / Subtheme Ideas / NASA
Year 2020
Pieces 1,969
Availability Retired
92176 LEGO Ideas NASA Apollo Saturn V
Retail $119.99
Value $290.00
Growth  +141.7%
Annual growth 26.8%

92177 Ship in a Bottle

Theme Ideas
Year 2020
Pieces 953
Availability Retired
92177 LEGO Ideas Ship in a Bottle
Retail $69.99
Value $164.99
Growth  +135.7%
Annual growth 20.6%