The purpose of the half is to get kids comfortable twisting. I went to a program a very long time ago where they would not let you move on without landing a half perfectly and they all had beautiful fulls, including myself! In my opinion you should not just throw a full and see what happens...
True the only problem with that is stunting with the flashing sun in bases and flyers eyes is the worst thing ever and athletes are not used to that condition
Once she is bored and has a perfect layout then I recommend to start twisting a half and once mastered then try to full. Progressing too quickly is a very easy way to gain a mental block so there should be no rush. For the standing tuck tell her to push through her toes and leg muscles, make...
Probably late but I bought myself 2 infinities in the past and loved them. Was not interested in rebel one until my team got grand champs and won them. FELL IN LOVE! By far my new fav backpack...
Also... There really are not that many huge international competitions where you have to be invited to attend. Worlds has also been around for a very long time and has not lost its prestige... Don't see it ever losing it