Discovery was introduced in 2003 and currently consists of 6 sets. As of today, the average annual growth of sets in Discovery is approximately 4.4% per year.
Most valuable Discovery set
7471 Mars Exploration Rover $278.75
Highest growth Discovery set
7468 Saturn V Moon Mission +580.14%
Most owned Discovery set
7470 Space Shuttle Discovery-STS-31
The Discovery theme was a licensed theme both introduced and discontinued in 2003 which focused on real space flight. It was comprised of several accurate reproductions of real spacecraft in various scales. All sets in the Discovery theme except for set 10029 Lunar Lander did not include any minifigs. The box art of the LEGO sets displayed the Discovery Kids channel logo and mpst of the spacecraft displayed the NASA logo.
6 sets

7471 Mars Exploration Rover

Theme Discovery
Year 2003
Pieces 870
Availability Retired
7471 LEGO Discovery Mars Exploration Rover
Retail $89.99
Value $278.75
Growth  +209.8%
Annual growth 5.1%

7470 Space Shuttle Discovery-STS-31

Theme Discovery
Year 2003
Pieces 828
Availability Retired
7470 LEGO Space Shuttle Discovery-STS-31
Retail $49.99
Value $220.36
Growth  +340.8%
Annual growth 3.6%

10029 Lunar Lander

Theme Discovery
Year 2003
Pieces / Minifigs 453 / 2
Availability Retired
10029 LEGO Discovery Lunar Lander
Retail $39.99
Value $242.44
Growth  +506.3%
Annual growth 32.4%

7469 Mission To Mars

Theme Discovery
Year 2003
Pieces 418
Availability Retired
7469 LEGO Discovery Mission To Mars
Retail $29.99
Value $101.99
Growth  +240.1%
Annual growth 2.8%

7468 Saturn V Moon Mission

Theme Discovery
Year 2003
Pieces 178
Availability Retired
7468 LEGO Discovery Saturn V Moon Mission
Retail $19.99
Value $135.96
Growth  +580.1%
Annual growth 5.5%

7467 International Space Station

Theme Discovery
Year 2003
Pieces 162
Availability Retired
7467 LEGO Discovery International Space Station
Retail $14.99
Value $100.00
Growth  +567.1%
Annual growth 5.0%