We are currently a small group congregation and have no Sunday School or Children's Church per se.
As an alternative we have a really casual lesson on the fourth Sunday of the month aimed at all age groups. There usually a game or craft involved and we have a potluck lunch.
If you've heard of Messy Church then you know what I'm talking about. If not click the link to get an idea.
We like to do something similar without the lunch on the second Sunday of the month.
If you'd like to see more happening for children, maybe you'd like to join us and help us build up a vibrant children's ministry!