The second stage is slightly more difficult than the first.
It assumes the player have already basic knowedge about the game principle and requires more pushes for placing less boxes.
Step by step solution
From the initial position, go DOWN once, in front of the first box,
push the box DOWN,
go to the right of this box with RIGHT and DOWN,
push the box to the socket in the LEFT.
Now the second box have to be placed. Go UP, UP and UP again.
After being up there, go RIGHT, RIGHT, RIGHT, RIGHT and RIGHT again.
Now go over the socket and then leave it with DOWN and DOWN.
Push the box LEFT, LEFT, LEFT and LEFT again.
Now go DOWN and then LEFT.
Push the box UP and UP again.
Go LEFT and UP to the left of the box.
Push the box RIGHT, RIGHT, RIGHT, RIGHT, RIGHT.
Go UP and then RIGHT.
Push the box DOWN once.
Congratulations. You have completed the second World. You are now teleported to the third.