Maycom Creative Spinning New Turbo Turbocharger Keychain Key Chain Ring Keyring Keyfob (Gunmetal Black) 3D Miniature Turbo Model Keychain,Perfect Gifts for Car Fans. Turbine will rotate when air is blown into it using of straw,howerver,it can't make noise or sound. Style Classic, timeless, elegant design looks great from every angle. Quality Control - All products are carefully inspected and distributed before shipped It has 5 screws on the back that are not painted over . Also there is a pin with a c-style clip that holds the impeller assemble to the back-plate.