1338894
9780716663089
Each book in this large-format series offers many easy-to-do activities to help children truly understand scientific concepts and principles.There are illustrated, step-by-step instructions for each of the activities in which common household items are used. All have been pre-tested for safety and successful results."The text is brief, astute, and very much fun to read". The Book ReaderOur World in Danger, with ISBN 9780716663089 and ISBN 0716663082.
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