This is his/her camera. He can take photos.
His camera
This is your/my microphone. You can sing.
Your
Whose book is this?
This is my book
This is his/her racket. He can play tennis.
His racket
Whose pencil is this?
This is her pencil
Whose car is this?
This is his car
Whose blocks are these?
These are his blocks
This is her/his ball. She can play football.
Her ball
Whose teddy bear is this?
This is her teddy bear
This is her/your guitar. She can play the guitar.
Her guitar
This is his/her bike. He can ride a bike.
His bike
This is my/your puzzle. I can do puzzles.
My
This is his/her car. She can drive a car
Her car
This is his/her piano. She can play the piano.
Her piano
Whose camera is this?
This is her camera.
Whose kite is this?
This is his kite
This is my/your horse. I can ride a horse.
My horse