Features:<br>1.The product is suitable as for middle school physics experiment teaching instrument<br>2.Used to explain the basic structure and working principle of 4 stroke single cylinder diesel engine<br>3.Provide two ways of use, manual or battery connected to the power supply<br>4.This model is already assembled, no need to install by yourself, more easy to use<br>5.Come with compact design, easy to demonstrate, which make students understand better<br>specification:Item Type: Gasoline Engine Model<br>Material: Engineering plastic<br>Function: Used to explain the basic structure and working principle of four stroke single cylinder diesel engine.<br>Size: Length: Approx. 29.3cm / 11.5in, Width: Approx. 16.7cm / 6.6in (manual measurement, for reference only)<br>Battery Model: 2 x AA batteries (not include)<br>PackageList:1 x Gasoline Engine Model