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.
Science experiments using such models as mousetrap cars, paper plate Frisbees, toothpick bridges, and milk carton windmills which the experimenter makes himself and then changes and rebuilds as he tests scientific data.
