We use them to decorate the party.
Ballons
When is your birthday? Answer in English.
Month + day
WHat do you do at birthday party?
Who do you clebrate your birthday with? What do you eat on birthdays, what presents do you like?
surprise party
What is this?
Birthday cake
What do you know about birthdays?
Birthday party
What do you eat at your birthday party? Answer in English.
Personal answer.
What do people wear on their heads in a birthday party?
Party hats.
What do you blow on the top of your cake?
candles
What gift/present would you like for your birthday?
Answer in English.
What do you get on your birthday?
Gifts / presents