7 ಸೀಸನ್
223 ಸಂಚಿಕೆ
3-2-1 Contact - Season 6 Episode 21 (1988)
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.
- ದೇಶ : United States of America
- ಪ್ರಕಾರ :
- ಸ್ಟುಡಿಯೋ : PBS
- ನಿರ್ದೇಶಕ :
- ಪಾತ್ರವರ್ಗ :
