Provide a brief overview of the activity. Teams meet to discuss the purpose of their machine, taking into consideration their needs, ways in which those needs could be met, conveniences of power sources, size limitations, and so on. Each team should make a list of the characteristics of their machine based on their discussion and their knowledge of electricity and machines.
Teams agree upon a specific design, list materials needs, and name their machine.
Each team presents its machine to the class. The presentation should include an explanation of how the machine was constructed.