Designing the Content -Improvements to Fit User's Preferences and Needs

Initially, the icons below are made up of only faces with different expressions, users may be unable to identify and recognise the different functions. It is true that the original idea was to let children explore and move their cursors over them. Over we could also improve the design such that remain its interesting design but at the same time give it some hints of what the icons below mean.
For this design, the icons below were redesign to include a personality for each face. Users were able to tell them apart and even remember each of their functions