YWBL-WH 4 Stroke Hand Crank Model, Engine Combustion Engine Model Physics Mechanics Experiment Teaching Instrument, Poster Mockup

Features

• Two ways of using, manual or connecting power supply.Already assembled, easy to use. Compact design, making it convenient for demonstration.
• 4 Stroke hand crank model with actuating movable parts to demonstrate engine basics.
• The model for a student of the automotive world or an automotive enthusiast.
• This model works by cranking the main shaft by hand which then actuates all the parts of the motor to show the stages of a 4 stroke motor firing.
• You are welcome to us if you have any problem about our product, we will give you a satisfactory reply.