Category: Education

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Activity And Invention Of The Elevator -By ER Baby

Activity And Invention Of The Elevator -By ER Baby

       iOS Universal

Hello everybody! I'm Mark and my family is moving to a new apartment building and our apartment is in twentieth floor! Can you guess how are we going to go to 20th floor? Yes, you are right! We will take the elevator! But what is really an elevator? Come and read my story to learn more about it!

ER children's stories mainly make children-oriented stories commonly related to answer some popular science inquiries. Through the story, the children will learn some natural phenomenon and principles which they usually encounter in their daily lives, also these stories are great help in enlightening the scientific path of children’ exploration.

What's new

Repair of some small problems, optimizing function.


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Last changed:
Dec 19, 2012
49.7 MB

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