Welcome to our shop! [[product volume] 4.1cm*4.1cm*1.3cm [inspiration for creativity and stress relief] is for primarily to creators, makers, thinkers and anyone wishing to unleash their inner creativity and imagination. It is also indicated for agitation, autism, depression, anxiety, hyperactivity, maintenance of wakefulness and other problems with attention disorders such as nail chewing, smoking , shaking legs, etc. The "high quality" material is made of high quality imported aluminum alloy, fully cut and polished. Each piece embodies our vision of a better life for our customers [simple design] repeat careful and painstaking practice, when the correct force and movement is used, it automatically flips forward in due to inertial kinetic energy. The number of flips depends on your technical skills. It is also possible to rotate in a horizontal plane. Unlock more fun games and have fun for hours. Practice hard [number of flips depends on your technical skills. There is an old Chinese saying that one minute on stage, ten years after the stage. [gift novelty] Do you want to surprise someone? We believe that our toys can be Christmas gifts, New Year's gifts, birthday gifts or other holiday gifts. It is definitely a beautiful scenery when you skillfully show and play in front of your friends. There may be some size errors in the product you receive due to hand measurement The product you receive may be slightly different from the picture due to different monitors Thank you for meeting me, hope I can help you. Good life Actual quantity shipped: 1 piece(s) 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service