Overview
Learn about our galaxy’s planets, the moon's phases and how stars form constellations in the sky.
Galactic games
Play 40+ family-friendly activities—including a planet-hopping board game—on a 3-foot, two-sided map.
Planet power
Rocket through the Solar System, explore an asteroid belt and apply your knowledge in the Space Race game.
Earth science
Discover the sun’s role in our seasons and travel to the moon—plus the many moons of other planets!
Scientific inquiry
Strap on your moon boots and explore fun facts about the solar system with 240+ interactive audio responses.
About the series
Supports reading development by providing children with knowledge-building opportunities in areas of personal interest.