3D Miniature Model Keychain – Durable, Functional, and Stylish Crafted from ecofriendly zinc alloy for strength, longevity, and environmental responsibility. Available in three attractive color options to match your style. Features a working miniature turbine that spins when you blow air through a straw, adding a unique and interactive element without producing any noise. Classic, timeless design that looks sleek and appealing from every angle. Precision assembly with five unpainted screws on the back and a secure pin with a Cclamp to hold the impeller assembly to the back plate. Practical Uses: 1. as a keychain accessory for automotive enthusiasts who appreciate mechanical details. 2. An eyecatching display piece for desks, shelves, or collections, offering both form and function. 3. A unique conversation starter for hobbyists, engineers, or anyone with an interest in turbines and mechanical design. Specifications: Material: Environmentally friendly zinc alloy Colors: Three choices available Function: Spinning turbine impeller activated by blowing air through a straw Assembly: Five unpainted screws, one pin with Cclamp Noise: Silent operation This 3D miniature model keychain combines practicality, durability, and an engaging interactive feature, making it ideal for daily use, gifting, or display.