[RBS] Anyone have info about the water slides in Amphi Park?

Hi, Has anyone been to this event in the past years and knows if younger boys can be at the girls event, like under 4 year olds? https://www.eventim.co.il/event/%D7%A1%D7%A4%D7%9C%D7%90%D7%A9-%D7%90%D7%9E%... All the best, Soroh Dina Lowe