From a start door, swallow a wooden box on your right and drop it into a trap hole ahead which made by iron boxes.
Go forward to the right and climb a ladder placed on the right edge.
After climbed, go to the left and swallow the wooden box next to a door.
Release it to your right side in order to go up to the upper right brick stairs.
After got to the upper, climb a ladder on the right edge and break wooden boxes to get a key.
Turn back your way as long as a door and go toward the left.
Swallow a wooden box placed on your way and bring it under the left-side ladder.
Use the box as a step to climb a ladder.
After climbed, move to the right.
Swallow a wooden box on your right and drop it into a hole.
Overcome it and then go toward a goal door.