Simple Wheel and Axle Crane Model Demonstrates Physics and Science Pieces Plus

Description

Simple Wheel and Axle Crane Model Demonstrates Physics and Science Pieces Plus.
I do not have a complete set so I am putting the two sets together and you can see what you can do with them. They’re done so well I paid it just to throw them out. I’d rather share them and somebody that has talent. Maybe could figure out how to use them.