When searching for a suitable Nexus 6P case for children you might be looking at different criteria and preferences than looking for a protective case for an adult. When you are choosing a case you might be searching for a stylish case, a strong case that will protect your device if you happen to drop it, one this is comfortable to hold and of course you will always be looking for a good price.
Choosing for children is similar in some ways and very different in others. Imagine yourself using your brand new device. How often will you drop it? how will you treat your expensive Nexus 6P?
Most adult will be very careful with their smartphones and they won't drop it very often. Kids tend to be much more active than adults. They run, they jump, they fall. When you buy a smartphone for your child you have to be aware that the phone is going to fall down. In fact, it will fall more often than you might think.
This is why the most important criteria you need to take into consideration when buying a case for a child is the protection level it will provide.