A school of fish

To talk about engines, we had some friends of ours over for dinner—Derek works in airplane design and engineering, but he has also al...

(click to enlarge) This Automobile Unit is one I promised Abe ages ago. I'm not sure how he got so interested in cars, since I hav...

Engines! So interesting. We learned about the basic four-stroke engine, as well as diesel engines , during our Train Unit . And early pla...

Seb's diesel engine diagram Maybe if I'd ever been interested in cars, I would have known something about the internal combusti...

Steam locomotives are what we think of when we think of trains! So many people love them, and now we do too! You can learn SO MANY things ...