Cómo medir el tiempo desde la antigüedad hasta nuestros días - 6-Pack

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Approximately 5,000 to 6,000 years ago, people began to make clocks: tools that can precisely mark off equal lengths of time. In this book, you will find out about several types of clocks invented throughout history. You will also discover that you can make some of these clocks yourself by.
  • 6 Books (6 copies each of 1 title)
  • Teacher's Guide (1 copy each of 1 Teacher's Guide)
  • Comprehension Card (1 copy each of 1 Comprehension Card)
$60.00

Full Description

Approximately 5,000 to 6,000 years ago, people began to make clocks: tools that can precisely mark off equal lengths of time. In this book, you will find out about several types of clocks invented throughout history. You will also discover that you can make some of these clocks yourself by following step-by-step instructions. You will even measure your body clock!
$60.00