In this book little critter is visiting the museum on a class field trip and is excited to see the dinosaur exhibit however the exhibit is closed because a dinosaur bone is missing little critter then searches the museum for the missing bone getting into some mischief along the way. In this book little critter is visiting the museum on a class field trip and is excited to see the dinosaur exhibit however the exhibit is closed because a dinosaur bone is missing little critter then searches the museum for the missing bone getting into some mischief along the way. This story involves a fun adventure at a museum the little critter class cannot go to the dinosaur exhibit because of a missing triceratops bone the little critter then wanders around the museum exploring the different sections of the building its a great book to allow introduce new words and theories and build vocabulary. Little critters class is going to the critterville museum of natural history and everyone is excited but when the class arrives they find out the dinosaur exhibit is closed because of a missing triceratops bone join little critter as he searches the hall of gems and minerals climbs the trees in the rain forest and sneaks around the planetarium all to solve the mystery of the lost dinosaur bone