What song is digging an excavator?

Digging excavators is a children's song, excavators.

According to the education network, digging an excavator is a nursery rhyme, excavator, lyrics: digging an excavator, digging and digging, I am the first, iron arm and iron wheel.

Children's songs are mainly aimed at young children, so when singing, the content should be concise and easy to understand, and the melody should be clear and lively, which can grasp the children's voices and make them fondle admiringly. The main feature of children's songs is that they are easy to understand.