I believe the answer is 5-7 years old.
Up to this point, the ability to store long-term memory has started to develop. This stage is very crucial for most parents because if the children does not receive proper accommodation during this period, it would be very likely that the children will grow up with learning disabilities.
Because like a puzzle, culture is comprised of many pieces like food, music, language, traditions and habits. Clothing is just one of the pieces of the puzzle that is Culture. Also, like a puzzle, you can't fully understand the full picture of culture with only one piece.
