https://www.kids-world-travel-guide.com/mexico-facts.html
Mexican Flag World Book for Kids
Mexico City World Book for Kids
https://kids.nationalgeographic.com/explore/countries/mexico/
https://www.ducksters.com/geography/country/mexico.php
https://www.atozkidsstuff.com/mexico.html
http://www.sciencekids.co.nz/sciencefacts/countries/mexico.html