Clever set answers all your questions about outer space, with more than 70 flashcards.
Exactly how old is the earth? Why does the moon have craters? How many constellations are there? All this and more in this fascinating scientific set! Simply unroll the box to reveal three sections packed with more than 70 illustrated fact cards. Explore the what, why and how of outer space in simple kid-friendly terms, from astronauts to quasars, comets to the Oort cloud. Did you know that Saturn has a whopping 146 moons in orbit? Brilliant stuff!