285273
9780716663041
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 ReaderAge of Computers, with ISBN 9780716663041 and ISBN 071666304X.
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