For decades, researchers in the field of machine learning have been trying to raise the features of systems and develop methods and approaches, but they often suffer from a scarcity of data in various machine learning fields. For this and due to the urgent need in our research that we have developed in the field of online handwriting recognition, we had to create a special data set for the Arabic language characters written simultaneously on a graphical tablet. In this work, we created a data set called “Noon” in university neighbourhood laboratories and used its first version in research work that was published in international refereed journals. The construction details have gone through phases, which will be presented in the following sections in this chapter.