3-2-1 Contact (1980)

3-2-1 Contact (1980) : 6x21

Modeling: Things on Wheels 30 Min.
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Overview

Models are used to test ideas before they become large-scale. A class of intermediate-school students go through modeling tactics in building a spring-driven car. We also see newsreel clips of models that produced both commonplace items and inventions that didn't pan out.