Below are early design sketches of the dinosaurs and figures, including some that were never produced.  Many of these sketches show equipment and accessories that are the same or very similar to what was ultimately produced.

Deinonychus

Diplodocus

Monoclonius

Styracosaurus

Tyrannosaurus Rex

Triceratops

Pteranodon

Questar

Weapons & Accessories

Brontosaurus

Protoceratops

Placerias

Dimetrodon

Edmontonia

Kentrosaurus

Pachycephalosaurus

Saurolophus

Stegosaurus

Struthiomimus

Parasaurolophus (unproduced)

Iguanodon (unproduced)

The following sketches are from Toyland: The High-Stakes Game of the Toy Industry by Stern & Schoenhaus:

Antmen