The base contains a microprocessor and an electronic control unit for the earth of the sphere, and the magnet on the earth contains an electromagnet and a magnetic field sensor. Once you levitate the earth, just gently blow it and it will spin. POPULAR: This cool decoration provides a beautiful display unit for your retail stores, offices and homes. Its a fantastic high-tech device that any age will love. It is also a great gift that will surprise your guests and friends . EXHIBITION AND DISPLAY: Widely used in advertising, childrens study and study, teaching new toys, home decoration , office and desktop gadgets, on business gifts, on arts and technology GIF, on creative birthday gifts and on Christmas gifts DESIGN: C Shape (H*W): 6.81 inch x 7 .09 inch, There are three colors of the optional globe, blue, black, gold, with colorful LED lights to make the globe look more beautiful at night. Create a good atmosphere: When you work, chat, talk about cooperation,give you nice feeling Desktop decoration great gift Wide range of applications unique design excellent material