“Child in the water – ideally 0 depth, or where they can sit, or stand, if not then in the “”saddle”” being held by parent. Parent, in the water next to child or holding child.
Fill a bucket with water. Pour bucket over child’s head and smile and shout, say, yell “”BUCKETHEAD!!””
Modify this by pouring water over the back of child’s head so doesn’t go in their eyes.
Offer child to do Buckethead to the parent. Encourage them to yell “”BUCKETHEAD!”””
Also see: https://swimmingideas.com/game-buckethead/