[BLACKSTONE]. Giant Flower Pot Botania. A giant red flowerpot is shown empty – the spectators can look through it – and yet when pulled apart, a large and colorful flowering plant appears. Modeled on the design made for and used by Harry Blackstone, Jr., and said to be the property of his father, Harry Blackstone Sr. The outer flowerpot an expert replacement faithful to the Blackstone Jr. design, made and hallmarked by Richard Hughes. Height (expanded) approximately 22". Flowers worn, else very good. An unusual version of this popular flower growth device.