This paper proposes a workshop for the process introducing 'Happy Lanes' colouring method; a colouring method for design educators for children. It focuses colouring perception in two approaches: from the neuropsychological and neurobiological. While we point on the benefits of the method with help of some special worksheets we analyse the process of solution, step by step, looking at the working of the colouring lanes, as the essence of the method. It stems from Berlyne's motivation theory relating to the active inference theory, especially predictive coding and free energy principle. Through this method as a map, children can map their way between each and every level of the hierarchical brain system and cortical microcircuits. The colouring process includes two ways in parallel with each other in a top-down system; by creative, independent problem solving. According to the motivation theory the goal of this process is the optimal arousal level, which depend on the stimuli of the environment; in this case, children colour the task with the aid of the colouring lanes. This they do without any help from someone. This record was migrated from the OpenDepot repository service in June, 2017 before shutting down.