• Perpetual motion decor--also great for those who are passionate about science or for demonstrating the laws of physics in the science classroom,cupid
• --simple artistic design, unique and creative, and swing , which makes it very decorative,unique
• Perpetual motion machines--compact in size, light in weight, does not occupy too much space to place or store, very convenient,electronic perpetual motion
• Desktop ornament--this perpetual motion can be used as a , and also a tabletop decoration, has a wide range of ,perpetual motion
• Table swing --funny for both adults and , watch it swinging can make you feel relaxed,table ornament