This is a vintage Fisher-Price Dollhouse bathroom sink and toilet combo unit. Originally part of the Fisher-Price My First Dollhouse (Model #250) and later available in various furniture sets like #253 and #280. This modular "all-in-one" unit featuring a vibrant green base, a white vanity top with a silver-colored faucet, and a side-mounted toilet with a movable white lid. Produced primarily between 1978 and 1985 in Hong Kong. Dimensions: Approximately 3.75 inches wide by 2 inches deep and 2.375 inches tall.
eBay