Diesel Engine Model for Physics Mechanics Experiment Teaching Instrument 4 Stroke

Features: Suitable for middle school physics course experiment teaching. Used to explain the basic structure and working principle of four stroke single cylinder diesel engine. Two ways of using, manual or connecting power supply. Already assembled, easy to use. Compact design, making it convenient for demonstration. Specification: Material: Plastic + Metal Size: As the picture shown Battery: 2 x 1.5V AA battery (NOT included) Base length: Approx. 17cm 6.69inch Width: Approx. 11cm 4.33inch Height: Approx. 30.5cm 12inch Weight: Approx. 766g Package Included: 1 x Diesel Engine Model Suitable for middle school physics course experiment teaching Used to explain the basic structure and working principle of four stroke single cylinder diesel engine Two ways of using, manual or connecting power supply Already assembled, easy to use Compact design, making it convenient for demonstration