In 2004, LEGO released 4 Explore Dora the Explorer sets, all of these sets have been retired. For that year, the total price of all retail sets cost $70, today those sets are valued around $1,126, a growth of 1510%.
Most valuable 2004 LEGO Explore Dora the Explorer set
7332 Dora and Boots at Play Park $735.95
Largest 2004 LEGO Explore Dora the Explorer set
7333 Dora and Diego's Animal Adventure 39 pieces
4 sets

7330 Dora's Treasure Island

Theme / Subtheme Explore / Dora the Explorer
Year 2004
Pieces / Minifigs 21 / 1
Availability Retired
7330 LEGO Dora the Explorer Dora's Treasure Island
Retail $9.99
Value $99.99
Growth  +900.9%
Annual growth 6.1%

7331 Diego's Rescue Truck

Theme / Subtheme Explore / Dora the Explorer
Year 2004
Pieces / Minifigs 10 / 1
Availability Retired
7331 LEGO Dora the Explorer Diego's Rescue Truck
Retail $9.99
Value $78.40
Growth  +684.8%
Annual growth 8.6%

7332 Dora and Boots at Play Park

Theme / Subtheme Explore / Dora the Explorer
Year 2004
Pieces / Minifigs 29 / 2
Availability Retired
7332 LEGO Dora the Explorer Dora and Boots at Play Park
Retail $19.99
Value $735.95
Growth  +3581.6%
Annual growth 10.6%

7333 Dora and Diego's Animal Adventure

Theme / Subtheme Explore / Dora the Explorer
Year 2004
Pieces / Minifigs 39 / 2
Availability Retired
7333 LEGO Dora the Explorer Dora and Diego's Animal Adventure
Retail $29.99
Value $211.99
Growth  +606.9%
Annual growth 9.3%