Astromedia Build a Desktop Planetarium Construction Kit for Ages 14+Kit for building a classical armillary sphere, the standard instrument for observer centred astronomy for over 2000 years. With this beautiful Desktop Planetarium you can easily visualise the movement of Sun, Moon, planets, and fixed stars above and below the horizon for any location on Earth and any day of the year. A real gem, not only as an astronomical instrument and teaching tool, but also as a fantastic showpiece. The meridian can be adjusted