This two-in-one globe offers a dynamic way to explore the globe and learn about constellations Enhances senses, visualization, and memory power of your kid Recommended for ages eight and above During the day, the 22.8cm diameter globe displays political boundaries, oceans, coordinates, countries, and capitals When it turns dark, the illuminated star map reveals constellations with their common names With a scale of 1:55,900,00 the globe rests on a sleek, durable silver base with a matching graduated meridian It features an automatic light sensor that detects darkness and switches from earth to constellation mode Equipped with a handy override switch, that lets you turn off the night mode to save battery power The globe can also be powered with a micro-USB cable (not included) connected to a computer's USB port Requires four C-type batteries to operate (not included)