WHAT'S THIS?
DOOR.
WHAT'S THIS?
DESK
WHAT'S THIS?
BAG
WHAT'S THIS?
CHAIR
WHAT'S THIS?
WINDOW.
WHAT'S THIS?
PENCIL
WHAT'S THIS?
PEN.
WHAT'S THIS?
RULER
WHAT'S THIS?
BIN
WHAT'S THIS?
BOOK
WHAT'S THIS?
PENCIL SHARPENER
WHAT'S THIS?
PENCIL CASE
WHAT'S THIS?
BOARD
WHAT'S THIS?
RUBBER