Help with the below sentence

I'm trying to give an example to one of my essay writing and i think i'm struggling to write the example in an academic format. Below is the example, please do help me to correct it and if there is a way to write it inorder not to be too descriptive. I will be grateful. Thanks

For example, at the pretend hair salon; a group of four year olds decided to become hairdressers; other children were invited to wash and treat their hair. All the children worked together by passing each other resources such as brush, shampoo, conditioners, etch whilst washing the hair. Thus, it promotes their interaction, sharing and co-operative skills.