Designed by instructional designers, KOOLSKOOL worksheets are designed with young ones ease of use in mind and categorized by subject and the specific target age in mind. The worksheets are monochrome or coloured depending on need of the children. Each of the set of activity worksheets is a compilation of 15 work sheets that works through a specific concept in various formats. This makes cognition, learning of concepts fun. Worksheets are organized in increasing levels of complexity, so that the young learner moves from one stage to the next with ease and finally masters the concept.