Prehysteria!

Rico Sarno, a museum curator, enters a forbidden temple in South America, and discovers a nest of five eggs. He steals them and brings them back to his museum. Frank Taylor, a farmer, sells fossils to Rico and in a mix up, the Taylor's dog takes a cooler, which has the eggs. The kids, Monica and Jerry discover the dinosaurs when they hatch and try to keep it a secret, until their father finds out. Rico finds out the Taylors have them and hires two robbers to help him get the dinosaurs back. (Full Moon Features)