PCA pastors Stephen Spinnenweber and Scotty Anderson help us explore paedocommunion and its relative "young child" communion.  Here is Stephen's article: https://gospelreformation.net/dear-pastor-may-my-child-take-the-lords-supper/

Here is Scotty's article on young child communion: https://www.pastorspress.org/2016/01/27/the-age-for-communion/

Watch: https://www.youtube.com/watch?v=JrM5aL_isPw