You should say:

　　What is it?

　　When did you want to have it?

　　Who have that around you?

　　And explain why do you want to have it.

　　Further questions:

　　Do you think possessing something is a character of humanity? Why?

　　What can we learn from the owner by what they possess?

　　Why do people like to collect or possess things?

　　What do you think can mean success in the future, a car or a big house?