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Writing it down
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Vicki Cobb |
Simple descriptions of paper, pencils, pens, and crayons explain how they work and how they were invented. |
OL11315158W |
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A children's museum activity book
|
Bernie Zubrowski |
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. |
OL15842067W |
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The Social Life of Inkstones
|
Dorothy Ko |
1 online resource (xii, 315 pages) : |
OL20214602W |
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Ball-point pens
|
Bernie Zubrowski |
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. |
OL3053621W |