The differences between girls' objects and boys' objects are also divided and affect their thinking and behavioral patterns.

If the boy doesn't take his medicine on time, the inhaler will change color "displaying its own physiological problem and indicating to the patient the urgency of taking the medication."

JeongMee Yoon, Korean photographer, has spent the last five years on the "Pink and Blue Project" : photographing boys and girls with their gender specific-coloured belongings.