How do the 28 children in the Kindergarten Children's Day Program change their formations?

Let’s make an arrow. First, let a few children line up like wild geese in the front, followed by three vertical rows of children to form an arrow. In terms of movements, children with a herringbone shape can just take two balloons and wave them, but there is no need for others to wave. In terms of slogans, this should be combined with the theme of your competition and the actual situation of your class. It is difficult for outsiders to come up with a slogan that suits you...