Bring the free marble between the locked one and the pusher, then use the pusher.

You need to use both marbles in the next part.

Bring both marbles as shown below, then turn the mechanism clockwise. The last puzzle will be unlocked.

There is an element with an arrow sign.

Remove the key.

Pay attention to the arrows showing rotation.

The outer arrows show how to rotate the box, the inner arrows show the rotation of the central part.

Here’s the correct position of all gears. After you set them, the marble can go through this side and co

Put the box onto a perfectly flat horizontal surface (the side with 6 marbles is on top). Hold the central par

At some points you will need to turn over the box to bring the marble to a higher level closer to the glass.

Follow the link scientia.club which you can see on the spinner. To get the access password, you should spin th

Pay attention to the crosses on the glass.