What is this material?
mud
What is it ?
a house
What is this material?
stone
What is it ?
It's a tent.
What is it ?
It's a hut.
What is this material?
metal
What is it ?
It's a block of flats
What is this material?
wool
What is this material?
brics
What is this material?
wood
What is it ?
It's a stilt house.
What is it ?
It's a motor home.
What is this material?
glass