US Patent 7430769 Adjustable bathtub for children

A multi-piece bathtub for children comprising at least two bathtub segments adapted to be assembled to provide one of a plurality of predetermined fluid retaining areas, where a first of the bathtub segments is operative to cooperate with a second of the bathtub segments to at least partially define one of the plurality of predetermined fluid retaining areas operative to resist fluid leakage by providing a sealed fluidic interface between the first and second bathtub segments.