Features: <br> <br> Suitable for middle school physics course experiment teaching. <br> Used to explain the basic structure and working principle of four - stroke single - cylinder diesel engine. <br> Two ways of using, manual or connecting power supply. <br> Already assembled, easy to use. <br> Compact design, making it convenient for demonstration. <br> <br> Specification: <br> Material: Plastic + Metal <br> Size: As the picture shown <br> Battery: 2 x 1.5V AA battery (NOT included) <br> Base length: Approx. 17cm / 6.69inch <br> Width: Approx. 11cm / 4.33inch <br> Height: Approx. 30.5cm / 12inch <br> Weight: Approx. 766g <br> <br> Package Included: <br> 1 x Diesel Engine Model<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store