Since OP seems to be keeping an eye on this thread, I'll ask here: have you considered using other tablets (Samsung etc.)? In case you did, and it didn't work as well as the iPad: what makes the iPad the ideal device in kindergarten? Construction quality? Software/Apps?
I couldn't convince the school to buy other tablets - and I started to wonder why I was pressing it. I entered teaching from the programming world (avid Linux user here) and I guess I saw Android as synonymous with Linux. Now I just see it as synonymous with Google - and Chromebook quality and software hasn't won me over. There is a stigma among edtechs (the IT of education) in my area that Android doesn't have the m…
Also good point about too much choice sometimes being a bad thing.