Small Outdoor Decor -7.5Crystal Spiral Twister Wind Twister Spinner For Indoor Outdoor Use Blue Highlights Generic Brand 7.5Crystal Spiral Twister Wind Twister Spinner For Indoor Outdoor Use Blue Description: Material steel and crystal ball, polished finish and chrome plated, rust resistant. The rotation seems to increase but it doesn't, it's an illusion. They just make your eyes want to move, very beautiful to rotate. Gives an illusion and appears to disappear for one second once per turn. It is hypnotic in three dimensions (3D). Ideal for garden and home decoration with this decorative 3D spiral twister. Consider adding a battery, electric motor or always solar for indoor or outdoor fun when there is not much wind. specification: Material: stainless steel Color: red/blue/pink/green/amber/purple (as you choose) Total length: 7.5 inch Package includes: Crystal Twister wind spinner, 1 piece Note: Color may be different for different display, pls understand Pls allow 1-3mm error due to hand test, thanks