Here you can discover for yourself what can be found in the creek. Look through the periscope at the water surface or fish water from the creek. If you prefer to add water, use the pump and see how the water flows. All this in a historical place, namely on parts of the old sea dike.
Question 5: At which location are you? Take the last letter of this.
You have now found a sentence. You will find this phrase during your route. So keep looking around! Have you found the pearl? Then keep looking. The pearls are scattered all over Zeeland! Search and find them all!
Didn't manage to find all the letters or do you want to know the right answers? Then check out the answers here.