Max
It's Max's kite.
Lily
It's Lily's camera.
Whose car it this?
It's their car.
Whose robot is it?
It's his robot.
Whose balloons are these?
They are his balloons.
Whose computer is this?
It's her computer.
Alex
It's Alex's dog.
Lucy
It's Lucy's teddy.
Whose ball is it?
It's his ball.
Hugo
It's Hugo's balloon.
Daisy
It's Daisy's phone.
Mr Stark
It's Mr Stark's car.
Whose keyboard is this?
It's her keyboard.
Tom
It's Tom's ice cream.
Sue
It's Sue's book.
Grace
It's Grace's cat.
Jack
It's Jack's bike.
Whose balls are these?
They are their balls.
Whose radio is this?
It's his radio.
Whose doll is it?
It's her doll.
Whose kites are these?
They are their kites.
Whose house is it?
It's her toy house.
Whose mouse is this? (his)
It's his mouse.
Whose plane is it?
It's his plane.
Whose helicopter is this?
It's her helicopter.
Whose rulers are these? (their)
They are their rulers.
Tom
It's Tom's bag.