On the scales
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This cognitive book talks about scales: about their important role in human life, about how they appeared and served people for millennia. The young reader with interest learns that at first a person weighed everything with his own hands, then the oldest lever scales, scales-beads, and then spring scales were invented. Today, electronic scales are used everywhere, and how will the scales in the future surprise us?
For senior preschool and primary school age
For senior preschool and primary school age
Author:
Author:PEGOV M.
Cover:
Cover:Soft
Category:
- Category:Children's Book
Publication language:
Publication Language:Russian
Paper:
Paper:Offset
Age restrictions:
Age restrictions:0+
ISBN:
ISBN:978-5-906788-60-3
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