Ensure the marble near the gears can roll all the way right and left.

Find the inscription „START“ on one of the sides.

Turn the small 6 knobs as shown in the photo. The marble is supposed to run freely from one end to the other.

Set the word „START“ correctly by turning the gear. Then rotate the box so that a hidden marble starts rolling.

Each knob near the marble track has the same pattern as one of the knobs on the gears. Find all pairs.

The disc with 3 dots should be turned all the way anti-clockwise to unlock the movement of the 1st disc.

Each small knob determines the position of the gear knob with the same pattern. Use the scheme beside the marble track. Remember small knobs should always be set so that the marble runs freely.

Bring the marble to the smaller hollow of the 1st disc.

Check where a small knob points (up, down, left or right) and match this direction to the shape on the scheme. Then turn the gear knob with the same pattern so that it points to this shape. In the example below the small knob points up, which stands for „square“. So the gear knob with

Bring the marble to the bigger hollow of the 2nd disc.

Turn the disc with 2 dots all the way anti-clockwise and lead the marble through the tunnel.

Bring the marble to the smaller hollow of the 2nd disc and lead it through another tunnel to the 3rd disc.