E. Richard (Elmer Richard) Churchill

Presents a variety of activities, projects, and experiments that help to illustrate and explain all sorts of scientific principles.

A collection of thirty-five magic tricks using folded paper. Includes some optical illusions and some simple toys.

An illustrated compilation of paper projects, including paper airplanes, paperweights, and Christmas decorations.

Explains the basic principles of flight and gives folding instructions for twenty-nine airplanes.

Shows how to make a variety of paper toys, including party hats, puppets, flowers, and decorative chains.

Includes thirty designs to make from folded paper including spinners, whirlybirds, boomerangs, kites, and noise-makers.

Presents more than sixty optical illusions that include tricks, drawings, and toys that can be assembled.

Illustrated, step-by-step instructions for making a variety of playthings out of paper and other simple materials. Includes such objects as paper airplanes, noisemakers, boomerangs, pinwheels, and others.

Presents a variety of activities, projects, and experiments that help to illustrate and explain all sorts of scientific principles.

A collection of seventy tricks and stunts which will stump even your sharpest friends.