STEM May’s Daily Holiday Challenges are great ways to engage your students in fun ways to learn historical facts and engage in STEM thinking. Students will love learning about The Days of May. Did you know that May 5th is Cartoonists Day or May 8th is National Have a Coke Day? Everyday is a holiday STEM Challenges have an activity or a suggestion that will engage your students in a fun way to learn each day. If you have the Everyday is a Holiday Cards, these are similar just with more of a STEM connection.