This highly detailed engine model is perfect for any technology, physics or general science class! Four-stroke operation is demonstrated by the gear-driven timing mechanisms, valves, ignition systems and more. DC power input is available to power a lamp which represents the spark or glow plug ignition. This model is the gasoline version. Made from a high-density plastic that will withstand continual use.
Explore the wonders of wind power with this amazing kit!
Build over 100 exciting electronic projects with this easy to use kit!
Build your own windmill generator kit by recycling a plastic bottle!
Enjoy your ice cream just as the astronauts do!
This genuine meteorite is great for the rock collector in your family!
Learn about detective science through this fun fingerprinting kit!