See Lesson kits below (KS1 for ages 5-7 & KS2 for ages 7-11) for Random Acts of Kindness Week (with RAK Day is on 17 February)
More details available here.
KS1 & KS2 COMMUNITY 12 Kindness To Others - with The Big Think Question: Are you kind to others even when you feel worried?
KS1 & KS2 LOVE 6 Generosity - with The Big Think Questions: (KS1) Are you generous with your time? (KS2) Do you take time to perform small acts of generosity?