by Ruth Gellersen, Ulrich Velte · Vemag · tapa dura · ISBN 9783867758277
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«Eksperymenty techniczne» is the children's guide to technical experiments by Ruth Gellersen and Ulrich Velte (Vemag, hardback, 46 pages, in Polish).
Practical guide with technical experiments for little curious minds: it explains how a water wheel works, why a light bulb turns on, and how to build a small motor boat. Includes illustrations, photographs, and friendly characters that accompany each activity.
Published in 2013 by Vemag; the book cover includes the subtitle 'Mali odkrywcy' and the copy weighs 400 g.
For children aged 4 and up; also suitable as supporting material in primary schools.
