I have read your project ..I am interested In this project , We have very good experience related to this project , We are an expert in creating white board animations and Youtube educational videos we are a team of two brothers , I am myself an professor and a teacher , and recently have a good experience I. online teaching ..I understand the requirement of such videos to be created for education purpose , the only thing I would like to suggest you is that don't go for less time target for the project , videos can be made very fast but usefull , thoughtfull and quality videos takes time to make , don't go for cheap offers also won't suit upto your expectations , share your email address , let us share with you our already made videos , ?