The children were so badly affected that they contacted Luleå municipality and they have put up their own signs in the schoolyard.

In a letter to dog owners in Luleå, they write the following:

- We do not like when you do not pick up after your dog!

It's crazy disgusting!

We want to be able to play and pick berries, they write.

Hear the children rate the dog owners

Students end the letter with an invitation to all dog owners:

- Please throw in the bins located in the area.

We have actually been involved in designing them.

SVT went out to school and in the clip you hear Adrian and his classmates rate the dog owners.

The children's message to dog owners is clear.

Photo: The preschool class Innovitaskolan