Andy works at a museum and has the use of a time machine to go back to prehistoric times to collect feathers, bones, dung or whatever else is needed in prehistoric displays for his museum. With the help of the contents of his backpack he manages to keep himself safe and get back to the museum.

Andy works at a museum and has the use of a time machine to go back to prehistoric times to collect feathers, bones, dung or whatever else is needed in prehistoric displays for his museum. With the help of his backpack's contents he manages to keep himself safe and return back to the museum with the items he finds.