We had started the Brightly Beaming Resources "letter of the week curriculum" and were up to week 3 letter "C" when we did Cow milking with a plastic glove. We have since done it 3 more times and it is so much fun and a great way to entice your toddler into eating breakfast cereal if they get to milk their own cow straight into a cereal bowl!
We have a wooden farm house and firstly got our cows out to talk about the udder and teats then took the wooden bucket outside and filled it up.
Many other homeschooling sites use plain water but i used 50/50 milk/water so the liquid was more visible.
It was messy,fun and took concentration to get the milk in the tiny bucket. Tara told me "Mum, I'm a great farmer!"