An exciting adventure story where Seymour E. Blox climbs a mountain on faith alone and discovers a secret cave that holds the answers to many mysteries about the Earth’s history, extinct animals, old memories, a new home, and much more. Journey deep into the cave and discover shimeji mushrooms and glowing pilea flowers, and prehistoric creatures when you build a Mastodon and T-Rex! Includes 12-page storybook and 92-page assembly manual.