The first time you hold one of these remarkable globes in your hand and watch it start to spin is simply amazing. No batteries to replace, no power cords or adapters - just give it some light and watch it go. There is something relaxing just watching it slowly turn on your desk. Light and the Earth’s magnetic field induce the spinning motion. Features a timeless design with relief map that details the unique features of our planet. A 3-pronged acrylic stand is included. Measures 4.5" diameter.