What's this?
a window
What colour is it?
blue
What's this?
a pencil
What's this?
a book
What colour is it?
green
What colour is it?
white
What colour is it?
black
What colour is it?
purple
What colour is it?
red
What colour is it?
pink
What colour is it?
brown
What's this?
a desk
What colour is it?
yellow
What's this?
a door
What colour is it?
grey
What's this?
a rubber
What's this?
a pen
What colour is it?
orange
What's this?
a chair