Babies in the bathtub

Client ordered a "Thank You" cake for her OB Dr. and staff with babies on it. this design is a combination of several designs seen here on CC, don't know who did the original design.Bottom is 4 layers of WASC cake iced in lemon butter cream, with choc fondant circles. Tub is carved from WASC and covered in MMF. All bubbles, ducks, and babies are MMF and gumpaste.