Look at the space underneath the towers puzzle (if you haven’t solved the towers yet, see Puzzle 2). There are blocked parts in the middle, you need to release them.

Note the eye sign shows a keyhole. Find the same keyhole on another side of the box.

Look through the keyhole between the torches. It’s better to do this in a well-lit place. Make sure the sliders near the eye are in the correct position.

Note each spiked ball is connected to a gear via chain.

To release the parts, you have to push the sliders in opposite directions simultaneously. Then turn over the box – the unlocked parts will fall down

Notice the men are pulling the rope.

After you have removed the lid from the towers puzzle, you will see movable sliders.n

Pay attention to the arrows.

Set the runes on the gears as shown below.nnnThen take out the the key.

Put the sword parts into the small container and insert the slider so that you can see the arrows. Then, holding the container at the bottom, position it in front of your lips vertically and blow sharply into the left hole. nRemember to check the slider is blocked!nnInsert the container into the box.nnMake sure the

The men are showing where they pull the sliders.

When you see through the keyhole, you may distinguish the shapes of runes inside. They have the same positions as the spiked balls.