I'd like a design of an illustration of someone studying

I would like to have an 5 coloured character illustration of someone doing their homework, classwork and private study. The intention is to use this at the bottom of the worksheets I'm creating for my Maths, English and Science courses for students. Also I would like to writes some words to accompany each character in the illustration as well. These will be used on a website as well. The look of the characters should include all race