Are you in primary school? We challenge you, your classmates and your teacher to come up with the most original warming-up excercise for the divrs of the Dutch national team! Show us what you came up with by sending us a video, a drawing or a description. You can win a really unique prize: a cool gym t-shirt for your entire class! The print on the shirt can be designed by you! Will you join in? You can hand in your warming-up via before Thursday February 1st.