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Experimental Fun with the Yo-Yo and Other Science Projects by Al G. Renner (1979)



Hardcover with DJ in Good (G) condition. DJ shows definite wear, rubbing, edge wear. Pages are clean and straight. Binding tight. 

Presents science experiments based on a yo-yo, wind wagon, cork sailboat, inverted tumbler, Cartesian diver, and hang glider which the experimenter makes himself and then changes as he tests scientific data.