Welcome to the RPF! The best way for you to have the most solid knowledge on building this Mag project and acquire "everything from the beginning" is to first take the time to read through this entire thread. There is a wealth of fundamental information here that is key to understanding what is best for your own style of building. There is no "one perfect" way as each prop builder has their own unique style and methods for achieving similar results.
I know you might be discouraged with my recommendation on reading through the entire thread, but I read through it within a few days. (Trust me, you can get through it very quickly because it is so interesting.) It helps refine your questions so that you are not asking redundant topics that have already been covered multiple times. Everything you asked for is actually in this thread (the Aliexpress links), the diagram for the EL and LED's, the complete shopping list is even in the title of this thread, etc etc.)
Once you have a solid foundation in knowledge, any of us will be happy to assist you with the more low level advanced questions.
It seems that so many new members just don't want to read or use search buttons these days.
They come in, request everyone else to do the footwork of searching for all the links and then expect it to just be given to them on a silver platter.
I just cannot wrap my head around this new trend of new members "expecting" people to just give.
The RPF is a plethora of knowledge that so many generous people have shared... Sometimes you have to search to find it, but it is the least you can do to access such knowledge when you are new.