Explore the whole Solar System on one marble! This piece is a part of our educational series, encouraging a greater understanding of our World and the Solar System. The story card insert is great for educating space enthusiasts of all ages. It will test your knowledge of the Solar System and is the perfect way to entertain and teach children. Think you know your Solar System facts? Test yourself and find out! 1.4” (35mm) diameter glass Solar System marble. Comes in a clear acrylic box and includes educational insert with fun facts, cosmic games, drawstring pouch, and a stainless steel display stand. Solar System marble features full-color images of the Sun, Moon, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto too!