The moisture meter can quickly measure the moisture content of the grain. 1. Small and exquisite: The small form factor of fidget rotary toy is very suitable for people with high finger flexibility and is convenient for children to play with 2. Symptoms of use: Fidget rotation sensory toy is very effective in relieving anxiety, relaxation, staying asleep, ADHD, ADD, autism and other attention disorders. 3. Where it works: Fidget hand toy is great for waiting in line, meditation, time, breaking bad habits, starting conversations and more. It can increase the concentration of the child. 4. Stress relief: The triangle rotating toy can help you calm down when you are stressed and kill time when you are bored, it is a good toy to relieve stress. 5. Gifts: The metal hand sensory toy is the perfect Christmas gift for kids and adults alike. It is not only a toy, but also a stress reliever. I believe they will love the hand toy. Specification: Item Type: Fidget Hand Toy Material: Aluminum Alloy Size: Approx. 4 x 4cm.1.6 x 1.6in List of packages: 1 xFidget Hand Toy