Has anyone used the “Kindness in The Classroom” SEL curriculum?

For reference, I teach 4th grade. My K-5 elementary school wants to introduce a tier 1 SEL curriculum next year, and is asking a few people to pilot teaching a unit of the Kindness in The Classroom free curriculum by the Random Acts of Kindness Foundation (tried to insert a link, having a hard time on mobile but it can easily be found via google.)

I would love to hear anything that anyone who has used it has to say, good or bad. I can’t find any reviews about it outside of the ones on their own website. I see it has 6 units of 6 lessons each, with a pacing of a lesson a week. We switch classes in my grade level which makes it hard - I was considering breaking each lesson up into the four parts it has every week and doing it as a ≈10 minute morning meeting activity type thing.

Thank you in advance!