One of the first and basic things that children will learn aside from shapes is colors! There are a lot of videos out there in You Tube that caters to this kind of lesson but I shall show you a few good ones that will really excite your preschool children and pupils!
First up are videos from Busy Beavers. Their channel is really popular with 1 million subscribers and 100 million plus views on their videos! This kind of numbers can definitely tell that they have great educational content.