Earth Perpetual Motion Desktop Ornament---Silver

Helps you relax: A perpetual motion machine is a great way to de-stress after a busy day at work. When you're bored or stressed out, place it on your desk, start it, and watch its captivating oscillations captivate you.
Educational: This perpetual motion machine is perfect for children who want to learn more about magnets and physics. This electronic perpetual motion machine is bo-th fun and practical, perfect for a variety of settings, from home to office.
Versatile: This perpetual motion ball toy also makes a beautiful decoration at home, school, or the office, or at a space-themed party.
Dual Power Supply: This perpetual motion machine runs on either USB or four AA batteries (not included). It will continue to operate until you stop or turn it off, but you cannot use b-oth batteries simultaneously.
High-Quality Materials: Made of metal and plastic, this perpetual motion ball decoration adds an attractive touch to your space, while also being a great way to while away time and relieve stress.