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The product itself does not come with batteries and needs to be powered by batteries to rotate. The link for AA batteries is:

【Product Name】 Celestial Orbit Perpetual Motion Instrument

【Product Material】Plastic
【Product Size】 11*24.5cm
【Product Weight】260g
【Product Packaging】Paperboard Box
【Packing Quantity】48 pieces/case

Note: The product itself does not contain a battery, and it needs to be purchased separately, or it is also available for sale at our store.
Magnetic Swing: After taking it apart, assemble the swing, install 4 AA batteries, gently move the middle part with your hand, and it will start to swing back and forth continuously. It makes a great desk decoration and is perfect for giving to friends and family. Just put the batteries in and push it gently, and it will automatically start to swing.