This fact-filled, colorful book and easy-to-assemble 3-D model for kids makes learning about the solar system out of this world! With this informative book, kids will discover how the Sun and all the planets in our solar system formed, learn about the millions of other objects that are moving through space, and so much more! Also included are 27 sturdy press-out pieces to build your own science fair-ready 3-D model of the solar system.