videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including Write the Letter T - ABC Writing for Kids - Alphabet Handwriting by 123ABCtv, Old MacDonald had a Farm - Animated Nursery Rhymes - Animal Sounds - Kids Songs Toddlers Preschool