Item Type: Metal Hand Rotation ToyMaterial: Resin, MetalSize: Approx. 48 x 14mm / 1.9 x 0.6inUltraviolet Light Battery: 4 x 40mAh LR41 button batteries (built in)Package List1 x Hand Rotation Toy3 x Beads1 x Bearing1 x Shaft Disassembler1 x Ultraviolet Light1 x Storage Bag1LUMINOUS STRESS RELIEF: Metal hand rotation toy is not only a unique gadget, but it also glows in the darkMade with quality resin and metal, it is perfect for those who want to relieve stress in a fun and relaxing way. 2ANXIETY AND ADHD RELIEF: Rotating fingertip toy provides a unique adult stress relieving experience, helping to reduce anxiety and calm your mind. It is perfect for waiting in line, meditation, timing tasks, breaking bad habits. 3STRESS KILLER: A great tool for releasing anxiety, promoting relaxation, staying focused, and assisting with ADHD, ADD, autism, and other attention disorders. It helps you stay calm during tense moments and kills time when you are bored. 4PORTABLE AND LIGHTWEIGHT: Metal hand rotation toy is small and portable, making it easy to carry and use anytime, anywhere. These relaxing finger toys are pocket sized and can be played with one hand. 5MULTI FUNCTIONAL: Suitable for all ages, this is a highly popular stress relief toy. Each piece is handcrafted by artisans with beautiful craftsmanshipThese toys make a simple yet great gift to any scene.