Solarscope is great for studying and observing Solar Eclipses, Sunspots, planetary transits of Venus and Mercury and Solar Activity. Comes with assembly instuctions and a comprehensive user's guide with instructions on tracking the Earth's ever-changing position with regard to the Sun. This is a great indirect, and safe method for viewing the sun. Easy assembly and easy to use!! Ships 4lb - 18"x 14"x 2"