by Ruth Gellersen, Ulrich Velte · Vemag · tapa dura · ISBN 9783867758260
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«Eksperymenty poświęcone środowisku» is the children's experiment book by Ruth Gellersen and Ulrich Velte, in hardcover (Vemag, 46 pages, Polish).
Fifteen practical experiments to discover the environment: building a windmill, observing the effects of a sandstorm, or cleaning dirty water, among others. With clear instructions and easy-to-find materials, the activities are designed for preschool groups and have been tested by educators.
Aimed at curious little ones aged 4 and up and at those seeking group science activities during the preschool stage.
