Ages 6 years & over. For children who love our universe, this book features the coolest science children can't get enough of: our planet Earth, cool asteroids, fun aliens, comets, and so much more. Packed with mazes, pattern games, colouring activities, and more, children are sure to love these pages loaded with fun. Entertaining, easy-to-understand captions explain constellations, stars, eclipses and other fascinating subjects.