A:AnswerYes I think you can do that by setting up each child with an account and google will know who is talking. If I say something and 2 google minis hear me, the one closest to my voice answers. Here is an article that better explains. Also, individual accounts also helps with parental controls.
https://www.pocket-lint.com/smart-home/news/google/143132-doubling-up-on-google-home-how-and-why-to-use-multiple-google-home-devices
A:AnswerMy answer is assuming you have an Apple TV. If you don't have one, please ignore the rest, and the answer to your question is NO.
If you do have an Apple TV: It depends on your setup. If you are playing something (audio or video) from your Apple TV (not mirroring from another device) then the answer is yes. HomePod will act as a second speaker if you choose it in the audio menu.
If you are playing music from your device, you can choose both the Apple TV and the HomePod.
If you are mirroring from your device to the Apple TV, you will only be able to hear audio from your TV only and not the HomePod.
A:AnswerWhoever said you can use it in the car isn't giving you all the information, do you have Wi-Fi in your car? Would you be able to keep the device plugged in while you planning to use it? Is your intention to take it in and out of the car all the time.
You can't use this without internet
A:Answer2nd Gen has slightly better sound, has a round power plug that plugs into the mini (replaces the standard USB mini plug on gen1), And overall, the 2nd gen looks more professionally built. I honestly like gen1 looks and usb plug better.. but the sound makes gen2 a better choice for most people.
A:AnswerYes, it is different. I find google much easier to use than Echo. I got the Echo for xmas and it is still in the box :( it wanted too much info when I was setting up the app on my phone to control it and it was too much. Google is so easy to use, if you get stuck with the installation steps you can verbally ask google for help and she will finish up the setup up
A:AnswerIt's wireless in the sense that it connected to your internet through WiFi. However, for power, it need to be plugged into an outlet.
I've seen a product, that is sold (on that very famous site owned by the richest person in the world) that acts as a power supply. It's like a docking station for the Mini that provides power for it and makes the Mini truly wireless. I don't have any experience with it so I can't comment as how well it works.
A:Answerthat could be because google mini probably picked up a new sound and thought it was a part of your command.
try speaking loud and clear next time