3D Miniature Turbo (Impeller will spin if you blow into it) High-Grade Polished Chrome Plated Alloy Assembled in 3 Primary Parts Similar to a Real Full Size Turbo No Straw is needed to Blow into these and make them Spin unlike poor Quality Copies All our Turbo Keyrings are Oiled before being Assembled by Hand and Individually Packed to Ensure Quality Real spinning Turbo Keychain with Silvia logo on the back. Spins by blowing air into keychain. Approx 28mm X 16mm in size.