Incoming Resources
- Mega machines, written by Deborah Lock
- Fulcrum, inclined plane, pulley, screw, simple machine, wedge, wheel and axle, lever
- Mega machines, written by Deborah Lock
- Big road machines, [Caterpillar]
- Mighty machines, Diggers & dozers, Seville Pictures ; produced in association with TFO-TVOntario and Knowledge Network ; with the participation of The Canadian Film or Video Tax Credit and the government of Ontario