Write what's out your window, in the order you notice it.
What can you see out your window? Write it.
Everyone gets the same subject. What differs is the follow-up: one question for children, two for teens, three for adults. Only the children's wording is simplified.
Explaining is what stalls you. Put down what you saw and what you heard instead.
Find the sentence you are least sure about. What you actually meant is usually hiding there.
Skip it and start at the second. The opening writes itself once the rest exists.
One long sentence can sink the whole piece.
If it still flows without them, the flow was already there.
'Thing' hides the real word. Name it.