Enhancing Retail Carton Box .ai Design

I have a .ai file of a retail carton box that I'd like to imrove a bit. It is quite white an perhaps need a band of colour. Info icons on the back need improving. Sales feature icons on the front can improve... (Budget: £18 - £36 GBP, Jobs: Adobe Illustrator, Graphic Design, Illustrator, Packaging Design, Product Design)