You can fix this water tank on the water fountain of Pelikan. But this is difficult to do for children, because the insertion must be done accurately. When full, this is probably only possible for children 8 without spillage. It also does not fit really pure much, so you then have to disassemble the whole thing back to the water exchange. At the latest since then slops slightly about the color broth. We are becoming switched back to conventional glasses. Which are much easier to handle and to clean.
