What makes these charming mechanical marvels spring into action? Cranks, propellers, levers, and other mechanisms trigger a variety of eye-catching movements, f

Includes, beginning Sept. 15, 1954 (and on the 15th of each month, Sept.-May) a special section: School library journal, ISSN 0000-0035, (called Junior librarie

Every 3rd issue is a quarterly cumulation.

Create unique whirligigs and other moving-part creations, traditional folk toys, and unusual new designs out of wood.