In an indoor swimming pool setting at a center specializing in children's and infant swimming (indicated by the visible text "ЖУК - ПЛАВУНЕЦ" and "ЦЕНТР ДЕТСКОГО И ГРУДНИЧКОВОГО ПЛАВАНИЯ"), a young child wearing a patterned swim diaper stands on a pink floating mat. The child holds a small red ball and looks down, then jumps and sits on the mat, causing water to splash around them. The child appears joyful, smiling and laughing after splashing down. The pool has white tiled walls. An adult's hand is briefly visible in the frame, seemingly assisting or interacting with the child.