What's this made of?
ceramic
A mixture of sand, cement and water.
concrete
What are these made of?
stainless steel
What are these cans made of?
aluminium
What's this vase made of?
ceramic
What's this church made of?
stones
What's this made of?
wood
What's this made of?
wood
What's the Eiffel tower made of?
iron
What is this pipe made of?
plastic
What's these windows made of?
glass