@Cassiieee;
I don't have 16 Castle Walls so I'm not sure which you mean?
Marble Floor Tiles 2c per, 2 for 3c.
Speaker's Corner 74c.
They're Beige Area Sofas not white, they're 4c per, 2 for 7c.
Cupid Statues 2c per 2 for 3c
Gothic Candelabras 4c per, 2 for 7c.
Sound-proofed walls 3c per.
They're Black Wicker Thrones, 3c per, 2 for 5c.
Road Blocks 3c per, 2 for 5c.
Not sure which water you mean.
Cryogenic Beds 28c per.
Skyscraper Window 1c per, all for 45c.
Swamp Fog - 4c per.
Red Area Sofa - 7c per, 6c per if you buy all.