Sea Wees :: Original
Sea Wees were produced by Kenner from 1979-85. They were a series of 4 inch plastic mermaid dolls with 2 inch babies made for playing with in the bath. Each doll came with a flat sponge with one, two or three wholes in it which the dolls could fit into in order to float.
Images on this page found on eBay, with thanks to various sellers!
Original Sea Wees 
There were three Sea Wees in the original series released in 1979. They were sold on their own and each one came with a comb and a lilypad sponge with one hole in the middle.