caleqi desktop ball transfer gyro aluminum alloy kinetic desk toy stress relief office executive gadgets metal ball full disassembly rotary decompression toy(blue, s 38mm ball) caleqi </p> caleqi kinetic desk balls are primarily used for alleviating stress,<br>helping to concentrate your mind and relax your brain, and more. <br> our mission is to delivery the most interesting,<br> most pressure-reduced ball toy to office workers, friends, family, students.</p> material: aerospace grade aluminum<br> optimal rotation time; 30 seconds<br> max rotation time: 100 to 180 seconds<br> </p><b>features:</b></p> anti-slip mat base, let it close to the ground.<br> keep silence in rotating<br> polished surface, with a better feeling of touch.<br> alleviate working stress, relax yourself, a good partner on yor desk.<br> </p><b>after-sales service:</b></p> we provide money back service, you can enjoy no-hassle and free-replacement guarantee, <br>and quality warranty. your satisfaction is our biggest goal.</p> </p><b>note:</b></p> it will probably break glass and it could injure them if it's also thrown.<br> it is not suitable for kids under seven.<br>