A children's museum activity book
Subtitle: Ball-point pens
Contributors: Bourke, Linda ill
Series: A children's museum activity book
Publisher: Little, Brown
Published: 1979
Place of publication: Boston ; Toronto
Language: eng
Number of pages: 64
ISBN-13: 9780316988834
Description: Explains how a ball-point pen works. Presents directions for constructing tools and devices with parts of pens and for using them in experiments and demonstrations.