Yes, walmart provides hello kitty glasses. The hello kitty glasses is so cute, designed for kids. You need to pay attention to that you must instruct your kids to wear it, to avoid hurting his eyes. The price of it is a little cheap. You can buy it from walmart shop or its official shop. It would be cheaper if you buy it online.
Yes, walmart provides the hello kitty glasses, including the sunglasses. You could go to its online store to buy one for your kids. The average price of them is about $ 25. You could go and have a general look. Then you choose the bright and sweet color for your kid.
Yes, they do sell hello kitty glasses with a average price of 50$.I think the quality is okay.
I suggest you buy that online. If you have no idea of how to shopping online, follow the steps I listed.
First of all, you can login on eBay or Amazon, or other online shopping web.
Secondly, write down "hello kitty glasses" in the search bar, then there be a plenty of kitty glasses listed on the web.
The last thing you need to do is choosing, choose the one you like most.