Mudiad Meithrin organises 'Ti a Fi' parent and toddlers group and offers nursery groups for children from two years old until primary schools across Wales. meithrin.cymru
Education Begins at Home offers a rang of excellent resources and lots of simple tips and advice for parents and carers. You can visit their Facebook page here.
Plenty of Games and programmes in Welsh for pre-school children by S4C - available as a mobile site, app or on BBC iPlayer. S4C.cymru/cyw
If you have older children the Urdd's app offers plenty of ideas of activities in Welsh in your area. urdd.cymru