New sealed box (former Christmas present).  Box shows some wear and minor creasing. 

Learn the basics of electronics and modern alternative energy. Explore clean energy concepts, such as electric cars, windmills, and hand-generated power. Includes full-color manual and separate ?Think Green? educational manual that explains environmentally-friendly energy including geothermal, hydrogen fuel cells, wind, solar, tidal, hydro, and others. Perfect for environmentalists and future engineers!