The children are taken out of school by trained staff and volunteers, in groups of no more than three per adult to learn 3 main skills:
Caiff y plant eu cymryd allan o'r ysgol gan staff a gwirfoddolwyr hyfforddedig, mewn grwpiau heb fod yn fwy na thri i bob oedolyn, i ddysgu 3 phrif sgil