4 Stroke Gasoline Hand Crank Engine Model with Actuating Movable Parts to Demonstrate Engine Basics - 13.75" Tall - Eisco Labs

4 Stroke gasoline hand crank engine model with actuating movable parts to demonstrate engine basics - 13.75" Tall. The perfect 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 gasoline motor firing.