8 years & up. Set sail on a scientific adventure to explore the mysterious Hidden Island with Pepper Mint! Once she discovers it, she must use her ingenuity and scientific reasoning to get back home. Begin your quest by building an island experiment-and-play station using the colorfully, printed wooden panels. Follow along in the storybook manual featuring experiments to conduct that help Pepper Mint escape the island. Learn about solar energy and its useful applications to build a solar panel with a photovoltaic cell then test it with different light sources. Get the pinwheel spinning to operate the solar thermal tower using solar radiation. Find out how to tell time with a sundial and how to turn salt water into fresh water by growing salt crystals with solar-powered radiation. Included: Materials for each project, Pepper Mint figure, and a 24-page full-color illustrated storybook and step-by-step instruction manual.