Preschool 3: Preschoolers will work on retrieving objects from the bottom in waist deep water, and work towards mastering their floats, and rollovers unassisted. They will also practice their glides and kicks for up to 5 m unassisted. In this level they work their way into deeper water for side entries and jumping in with lifejackets on Preschool 4: Preschoolers will gain some independence in deep water. They will practice jumping into deeper water (including getting out by themselves), sideways entries, and opening their eyes underwater, and work on their ability to tread water. These swimmers in training will work on completing up to 7 m of front and back glides as well as 5 m of front crawl in lifejackets.