Engine Model Motor Internal Combustion \\\\\\\\\\\\\\\'s

Store Home | Home & Garden | Crafts | Collectibles | Jewelry & Watches | Business & Industrial | Others Engine Model Motor Internal Combustion \\\\\\\\\\\\\\\’s Description: engine physical motor heat power generator external combustion engine model . : Similar to internal combustion engine: the burning alcohol lamp provides heat power to make the expansion of gas inside, then the gas internal power increasing and working strongly to the flywheel. With the help of the flywheels, heat energy will convert into mechanical work. Great educational toy, classroom or experimental teaching aids, cultivate children’sinterest in physics, more intuitive and easy to understand. Great gift for your friends or families. A engine is a heat engine that operated by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there will be a net conversion of heat energy to mechanical work. Specification: Material: Alloy+Glass Size Chart: Size: 200*55*105mm / 7.87×2.16×4.13inch Package Includes: 1 Piece Engine Model 1 Piece Alcohol lamp 1 Piece 1 Piece Instruction manual Payment Shipping Returns If you are bidding or ordering more than one item, the items will be combined into one order automatically thus you can pay altogether. If you want not to combine, please buy one and immediately pay one separately. Please pay what you win in 7 days. Unpaid Dispute will be automatically open if payment is not received after 7 days. If you pay the bill after received unpaid dispute, please email us to close the unpaid dispute. Because the unpaid dispute will not be closed automatically, and we may ignore it. The buyer is responsible for any applicable import duties and local taxes. Please verify with your customs before making your purchase. Please verify your address during checkout. We are not responsible for any wrong or undeliverable addresses. We are committed to give you the best customer service possible. If for any reason you are unsatisfied with a purchase, please contact us and we’ll assist you with a prompt solution. Please let us work on the issues. We’d like to settle any problem in a friendly manner. Please do not open a case on eBay or PayPal, or leave any negative or neutral feedbacks directly! We always reply to messages within 2 business days (off-duty at weekend). Due to the difference of time zone between Hong Kong and your location, sometimes the answer will be delayed. If you do not get a response from us after 2 business days, please check your junk or spam mailbox. Unsatisfied product can be returned within 30 days from the delivery date . We can offer a full refund or exchange, but we are not responsible for return shipping cost. Please contact us to get a RMA number before sending out your return. Feedback: 1. Since your feedback is very important to our business’s development, we sincerely invite you to leave positive feedback with four 5-Detailed Selling Rating (DSR) to us basing on your satisfaction with our commodity and service. It’s just take you 1 minute. 2. Unfortunately, If you are planning to give us a neutral/negative feedback because of your bad buying experience with us, please contact us at any time so as to clear up your discontent and resolve the problem. Featured Products People always bought together with