HomeAbout HHNKLearning about waterSecondary education grades 4, 5, and 6Secondary education grades 4, 5, and 6Dilemma boxWith the Dilemma Box, students solve a 'smelly case'. Experts from HHNK and TU Delft offer online support. Democracy gameGain insight into how a selected water board works. Vote for a party and make decisions as a board in a number of cases. Guest lecturesWho better to talk about water than someone who works with it every day? You can choose from two themes: 'clean and healthy water' and 'climate'. Did this information help you?YesNo