Description: The flying saucer shape full of science fiction, novel and unique, silent steam engine model design, full of power. A metal handicraft with great retro beauty, giving people curiosity and unlimited reverie. The steam engine model is carefully made of all metal, each part is finely processed, rich in metallic luster, and each part is precisely , upholding the craftsmanship, full texture, and quality assurance. This product requires DIY assembly. It comes with assembly instructions drawings and installation tools for easy installation. Place the finished model on a horizontal table, add alcohol to the alcohol lamp, add water to the boiler, light the alcohol lamp and place it under the boiler for heating, turn the outer to help start, and the UFO can rotate. By assembling the steam engine model, exercise your hands-on ability, observe the steam engine operation process, and understand its structure and principle. You can do scientific and technological experiments, increase your knowledge of physics, and increase your interest in learning. It can also be used as a decoration with collection value. Tips: Use 95% alcohol (not included) for fuel, do not use other oils. Do not touch the hot parts of the machine with your hands to avoid burns. Specification: Size: 116x90x129mm / 4.56x3.54x5.07inch Material: Metal Package Includes: 1 Kit Steam Engine Model Toys : Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.Thank you!