You say:
Hands up
Who is this?
This is my grandmother
What is it
It's a book
What colour is it?
It's pink
Who is this?
This is my father
Who is this?
This is my sister
Who is this?
This is my brother
What is it?
It's a ruler
What is it?
It's a crayon
What colour is it?
It's a blue flower
What colour is it?
It's a yellow flower
What colour is it?
It's red
What colour is it?
It's a pink flower
What is it?
It's a pencil
What colour is it?
It's a white flower
Who is this?
This is my mother
What colour is it?
It's blue
What is it?
It's a bag
Who is this?
This is my grandfather
What is it?
It's an eraser