Abstract: A new Bath Water Retainer and Toy for diverting bath water back into the bath tub while providing entertainment to a bathing child, thereby preventing water damage to the floor surrounding the bath tub. The device includes a first L-shaped member which removably couples to a bath tube edge, a water retaining wall along the edge of the first L-shaped member and projecting orthogonally, a second L-shaped member pivotally secured to the first L-shaped member providing a ledge within the interior portion of the bath tub for the child to place toys upon, a water collecting tray which captures water from the first L-shaped member and dispenses it through a water outlet nozzle in a stream, and at least one water wheel secured to the vertical portion of the second L-shaped member which receives the stream of water and rotates providing entertainment to the bathing child.