A great cast of a dinosaur track will intrigue everyone. Background information, lesson plan, geologic time scale and complete instructions on how to cast the fossil replica. And a mold from the REAL claw of an Allosaurus
A great cast of a dinosaur track will intrigue everyone. Background information, lesson plan, geologic time scale and complete instructions on how to cast the fossil replica. And a mold from the REAL claw of an Allosaurus