Animated explination of 19 mechanical movements, comparing 4 types of motion and converting between them. Compound mechanisms - how mechanisms fit together.
13 card mechanical toys (automata) are available from the online shop.
(via www.shambles.net/designtechnology/)

Videos of over 20 Mechanical Toys (Automata). Card models. Online Shop.
(via www.shambles.net/designtechnology/)

Flash animated working mechanisms with questions and answers. (slow loading but worth the wait). Definitions of a range of mechanisms, Lawn Mower used as an example of each mechanism. Work out the forces in mechanisms.
Pulleys, Screw threads (pitch, diameter), Wedge (mechanical advantage, friction), Inclined plane, Levers (effort, load, fulcrum), Wheel & axle.
(via www.shambles.net/designtechnology/)

• Levers (class1, 2 & 3).
• Rotary & Linear Motion (Crank & slider, Quick return, Cams & followers, Rotary & linear cams, Eccentrics, Ratchet & pawl).
• Formulae (Mechanical advantage, Efficiency, Velocity ratio).
• Linkage (Reverse & parallel motion, Bell crank).
• Gears (Gear trains, Ratios, Rack & pinion).
• Glossary.

Slide show and Animations of Levers, Linkage & Cams,
(via www.shambles.net/designtechnology/)

Animated flash cartoon style questions and answers for a range of mechanisms. Glossary of mechanisms.
(via www.shambles.net/designtechnology/)

5 Pages explaining how gears work with animation.   + Links.