About this item This fits your . Make sure this fits by entering your model number. Metal Product Dimensions: 24x12.5x10.3cm/9.45x4.92x4.06Inch Unique Tank Shape: Creative design concept. The Stirling engine is applied to the tank model, and the decorative cannon rod makes the tank model more realistic and interesting. Product Instructions: Place the model on a horizontal table or the ground, and then pour 95% alcohol into the alcohol lamp (capacity not more than 2/3), light the alcohol lamp and place it under the hot cylinder to preheat for 30 seconds, turn the flywheel by hand help start. Do not add any water or oil. Science Educational Toys: The Stirling engine can drive the tank forward after running. The lightweight structure and sufficient power make the tank have a certain ability to overcome obstacles, allowing you to explore science while playing, observe the magical operation and power conversion process. Excellent Manufacturing Process: The main body of the Stirling engine is made of aluminum alloy, and the bottom plate and wheels of the tank are made of acrylic material. The whole is more refined and beautiful. The tank is equipped with an alcohol lamp fixing bracket, which is safer and more reliable to use. The model runs smoothly and is durable.