Design education resources

We are looking for a graphic designer to design education/learning printables for our online store. Whilst details will be provided of what we require, this project would suit someone with an education/teaching background. Must be able to design clipart or source clipart that is free for commercial use. Documents are to be provided in high quality (print quality) pdf format, as well as images for our website. These products will be used for commercially, and whilst we are happy to provide design credit on our website/packaging, we will retain full commercial rights over products produced.