What is it?
It's a bus
What is it?
It's a helicopter
What is it?
It's a lorry
What is it?
It's a seatbelt
What is it?
It's a plane
What is it?
It's a helmet
What is it?
It's the floor
What is it?
It's a traffic light
What is it?
It's a left / right sign
What is it?
It's a motorbike
What is it?
It's a train
What are they?
They are stairs