The red simple machine sets have more examples of gear trains.


After looking at some of the previous projects

we built many gear projects.

Looking at the pictures they do not seem much difference.

But trying them out can be three or five times different.

Directions can change.



Speed can be VERY different.

Direction of motion can be at right angles.




1 to 3                5 to 3                                     1 to 3                             1 to 1

Learning about gears from pictures is nearly impossible without trying the gear project out.