Another

Another Let's arrange before it the elementary lever the ruler which has been put on a nailso that one end of the lever was close to the child, and another, to which the purpose is attached for example, the picture, is far from it, out of striking distances.

It appears that in this case the threeyear child acts approximately the same as twoyear at the solution of the previous task by tests.

Another matter the senior preschool child.

It is already capable to solve a similar problem in mind, and then at once, without tests, to remove from itselfhimself the near end of the lever, to move to itselfhimself distant.

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