Bureau de la Terre, modèle de mouvement perpétuel, balançoire magnétique, instrument astronomique, affichage orbitale, pile USB, double usage pour le bureau personnel

Feature: 1. The Rotating Earth Perpetual Motion Device: Earth perpetual motion device features a rotating model of theearth perpetual motion device that demonstrates the mystery of the earth's orbit. 2. Unique Magnetic Swinging Design: The earth perpetual motion device features a unique magnetic swinging design that gives the pendulum a moving and beautiful appearance as it rotates. 3. Creative Orbital Pendulum: The innovative orbital pendulum allows you to appreciate the vastness of the universe, immerses you in the wonder of the universe, and captures your attention. 4. USB Powered: The earth perpetual motion device is powered by connectable USB power supply, convenient to use and can be placed on your desk or study table as a decorative item. It is a practical and easy to use device for daily use. 5. Exquisite Craftsmanship: The earth perpetual motion device is made with exquisite craftsmanship and is ideal for home decoration or gift selection. This finely crafted and elegant device will add sophistication and charm to any environment. Specification: Item Type: Earth perpetual motion device Material: Plastic Power Supply: 4 x AA Batteries (not included) or USB Cable Plug in Use How to Use: Dual use battery and USB Package List: 7 x Components 1 x USB Cable