Boy Observation

I have observed a boy who is about 2 years old or maybe few months younger who was interacting with his father in the park. The child was riding the toddler swing and asks his father to push harder and said, "hiyer, dabby! hiyer!" (higher, daddy! higher) He kept asking his father to push harder for about 30 seconds, then I could realized he became bored. He raised his both arms toward his father, signaling he wants to get down. The father stopped the swing and pulled him out of the toddler swings.

After the little boy got out of the swing then pointed at the jungle gym to draw attention to his father and said, " dabby, look!" (daddy, look!) Then the little boy started to climbing up the ladder and when his father advised him to 'grab the yellow bar', so he can support himself to reach the top. The boy repeated what his father said, "Gwab da lello bah." while reaching his arms to the yellow bars. the boy finally got himself inside the jungle gyms and he travelled here and there. He screamed, "I go to bwidge!" and ran to the built-in bridge.

At this time, his big brother joined to play. He seemed fascinated when he came across the
The boy seemed to understand when his father asked him a question like, "Would you like to try this one?" but he didn't answer but approaches to the attraction that his father suggested. He didn't speak a lot during my 30 minutes observation. However, his pronunciation of words was not good but somewhat understandable. He had hard time pronouncing /r/ sounds, but replacing it with /w/, and /y/ for /l/. And I found interesting that he couldn't say 'daddy' correctly. Also, he was omitting the end of the words, like when he said, "bah-" instead of "bars". He did not use many words to make a sentence and he made grammar errors, like when he said "I first" instead of 'I want to go first' or 'me