Wheels and axles increase mechanical advantage by covering a longer distance using less force This apparatus can model how a crane works as well as several other uses for a wheel an axle. Supplied with manual. Size: 24 x 9 x 12 cm. Weight: 535g.
K’NEX Education Introduction to Simple Machines Building Set – 198 Pcs
Simple Machines Motion Converter
Intro to simple machines leavers&pulleys
David A. Adler Simple Machines (Paperback)
The brilliant shine of the white glossy finish, together with the refined craftsmanship and u'Select technology make for a salt mill that is simple to use and splendid to look at. Paris u'Select - 22cm
Seat Roller Attachment for Rowing Machines, Robust And Smooth-running Rowing
