Dinosaurs was introduced in 2001 and currently consists of 12 sets. As of today, the average annual growth of sets in Dinosaurs is approximately 5.1% per year.
Most valuable Dinosaurs set
6721 Mosasaurus $100.00
Highest growth Dinosaurs set
5950 Baby Ankylosaurus +2159.53%
Largest Dinosaurs set
7000 Baby Ankylosaurus 37 pieces
Most owned Dinosaurs set
6720 Tyrannosaurus Rex
The LEGO Dinosaurs theme was released in 2001 and included different kinds of dinosaur models, in adult forms as well as smaller younger forms.

The four larger sets were packaged in plastic canisters while the smaller sets which include the baby and young versions of dinosaurs were packaged in Polybags except for sets 7000-7003 which came in boxes.
12 sets

5950 Baby Ankylosaurus

Theme Dinosaurs
Year 2001
Pieces 37
Availability Retired
5950 LEGO Dinosaurs Baby Ankylosaurus
Retail $2.99
Value $67.56
Growth  +2159.5%
Annual growth 9.3%

7000 Baby Ankylosaurus

Theme Dinosaurs
Year 2001
Pieces 37
Availability Retired
7000 LEGO Dinosaurs Baby Ankylosaurus
Retail $2.99
Value $18.88
Growth  +531.4%
Annual growth 4.8%

5952 Baby Brachiosaurus

Theme Dinosaurs
Year 2001
Pieces 31
Availability Retired
5952 LEGO Dinosaurs Baby Brachiosaurus
Retail $2.99
Value $15.50
Growth  +418.4%
Annual growth 3.4%

7002 Baby Brachiosaurus

Theme Dinosaurs
Year 2001
Pieces 31
Availability Retired
7002 LEGO Dinosaurs Baby Brachiosaurus
Retail $2.99
Value $21.78
Growth  +628.4%
Annual growth 8.7%

6721 Mosasaurus

Theme Dinosaurs
Year 2001
Pieces 26
Availability Retired
6721 LEGO Dinosaurs Mosasaurus
Retail $9.99
Value $100.00
Growth  +901.0%
Annual growth 9.7%

6719 Brachiosaurus

Theme Dinosaurs
Year 2001
Pieces 25
Availability Retired
6719 LEGO Dinosaurs Brachiosaurus
Retail $9.99
Value $79.03
Growth  +691.1%
Annual growth 5.0%

5951 Baby Iguanodon

Theme Dinosaurs
Year 2001
Pieces 23
Availability Retired
5951 LEGO Dinosaurs Baby Iguanodon
Retail $2.99
Value $13.52
Growth  +352.2%
Annual growth 6.1%

6720 Tyrannosaurus Rex

Theme Dinosaurs
Year 2001
Pieces 23
Availability Retired
6720 LEGO Dinosaurs Tyrannosaurus Rex
Retail $9.99
Value $67.00
Growth  +570.7%
Annual growth 8.8%

7001 Baby Iguanodon

Theme Dinosaurs
Year 2001
Pieces 23
Availability Retired
7001 LEGO Dinosaurs Baby Iguanodon
Retail $2.99
Value $27.87
Growth  +832.1%
Annual growth 5.2%

5953 Baby Dimetrodon

Theme Dinosaurs
Year 2001
Pieces 20
Availability Retired
5953 LEGO Dinosaurs Baby Dimetrodon
Retail $2.99
Value $31.47
Growth  +952.5%
Annual growth 7.3%

7003 Baby Dimetrodon

Theme Dinosaurs
Year 2001
Pieces 20
Availability Retired
7003 LEGO Dinosaurs Baby Dimetrodon
Retail $2.99
Value $22.97
Growth  +668.2%
Annual growth 6.3%

6722 Styracosaurus

Theme Dinosaurs
Year 2001
Pieces 19
Availability Retired
6722 LEGO Dinosaurs Styracosaurus
Retail $9.99
Value $71.21
Growth  +612.8%
Annual growth 3.8%