Having reached
Children are built on one in a column, putting hands on shoulders ahead of the standing.
The teacher, pointing to an arrow, speaks: Went!
All start moving, sentencing: Chu Chu chu!
The teacher conducts the train in one direction.
Having reached the arrow designating turn he speaks: The arrow shows that it is necessary to turn here.
The train moves to the following index: And here the arrow shows that it is necessary to turn in this party.
The train goes in the new direction.