First we have to have a clear choice of goals. To develop an interest, we first have to choose one thing to focus on. Pick a project that we want to stick with after many attempts. Secondly, to strengthen the understanding of choice matters. Only if you know enough about it will you have the desire to practice it. Last but not least, use a sand table design clock to help develop interest. If you want to develop an interest, you need to keep practicing. A clear sand timer is a great way to get out of your mind and let go of all the distractions and burdens that are bothering you and just focus on something. When you are immersed in it, you will feel happy and harvest, which is the process of gradually developing interest.