Say what it's made of
It's made of gold.
Say what they're made of
They're made of plastic
Say what they're made of
They're made of metal.
Say what they're made of
They're made of rubber.
Say what it's made of
It's made of wool/yarn.
Say what they're made of
They're made of wood.
Say what they're made of
They're made of paper.
Say what it's made of
It's made of silver.
Say what it's made of
It's made of card/cardboard.
Say what it's made of
It's made of glass.