Hand Spinner Gyro Adult Antistress Hand Spinner Rotate Children Stress Reliever Gyroscope Children Gifts Toys Description:Long Spin Time, 2-4 minutes. Double-layer structure, easy to carry, simple, discrete and fun, also effective for focus and deep thought. Mechanical GYRO Spinner. It spins incredibly well, considering the inertia from all the gearing.How to use: Hold spinner with one hand and spin/stop with other. Increases Focus and Attention for Children and Adults Great . Great for waiting in lines, meditation, timing, quitting bad habits, striking up conversations, and more. It's impressively smooth, sturdy, well-made and captivating. It will come in a zippered case to protect. Very solid and well machined. Fun to disassemble and spins forever!Specifications:Product Name: Brass Gyro SpinnerSize: approx. 13cm x 8cm x 9cm\5.11 x 3.14 x 3.54 inWeight: approx. 200gMaterial: MetalPackage List:1 x Brass Gyro Spinner