Overachieving tots

My 3 yr old girl is a very avid reader. Enjoys learning her math concepts. Loves all the information and details of the globe. Can operate any smart phone with ease. Even searches YouTube for videos of her favorite things, hamsters, petshops things of that nature. She wants more and more to learn and im having difficulty finding material that is advanced enough and age appropriate. Any other mothers out there with a similar situation? She is very detail orientated and particular about pretty much everything. I am doing my best to help her blow things off that aren't exactly as she expects and keep her cool. She has a big problem when other kids are drawing rainbows and they dont use the proper colors in their proper order of the rainbow spectrum too. She is an only child and I am not sure how to help her accept the fact that all people do things differently and Thats a wonderful thing! Help!