this Sturdy And Good-looking Portfolio-style Kit Will Be A Hit With The Whole Family, A Fun Way For Kids And Adults To Discover The Composition And Workings Of The Solar System. It Contains Parts For A Desktop Mobile Of The Solar System That Is Easy To Put Together, And Shows The Positions Of All Planets In Relation To The Sun. The Kit Also Includes An Interactive Wall Chart Designed For Keeping Track Of Interplanetary Space Probes As They Occur, Plus Two Fascinating Spiral-bound Books: The History Of The Solar System Takes Readers Through The Development Of Human Understanding Of The Solar System, From The Early Belief That The Sun Revolved Around The Earth To The Latest Groundbreaking Discoveries Being Made On And Near Mars, Saturn, Jupiter, And The Solar System's Other Planets. Interplanetary Missions 1955-2055 Describes Past Space Missions, As Well As Missions Currently In Progress. It Also Outlines Plans Now Being Made For Future Missions To Be Launched In The Coming Half-century. The Dramatic Wall Chart Unfolds To 30 X 10 3/4, Is Printed In Vivid Color On Laminated Stock, And Comes With Stickers Designed For Marking The Progress Of Interplanetary Science As It Unfolds And Is Reported To The World By Nasa And Other Space Agencies. Here Is Modern Science At Its Most Exciting, Presented In A Way That Every Member Of The Family Can Understand And Enjoy.