What's this?
It's a mobile phone.
What is this?
It's a driver's license
What's this?
It's a watch.
What is this?
It's a wallet
What are these?
They're cameras
What's this?
It's a bottle of water
What is that?
It's a packet of chewing gum / That's a packet of chewing gum
What's this?
It's a bag/ backpack.
What is this?
It's an identity card
What is this?
It's a dictionary
What are these?
They're glasses.
What are these?
They're keys.
What are these?
They're photos.
What's this?
It's a memory stick.
What are these?
They're tissues.
What is this?
It is a phone charger
What are those?
They're credit cards
What are these?
They're coins.