Ornaments for girls in future

1 In many developed countries, girls (most of under 18 years of age) like many styles and colourful colors low-grade ornaments, such as: headdress, hair hoop, little earrings, ear studs etc.
And these kind of ornaments will be still very very cheap, many of cost less than US$0.5.
The Sales volume of the low-grade ornaments will be still very large.
2 But in all of less developed countries, the low-grade ornaments will be very rare and hard to buy it.
3 In all of large and middle cities of developed countries, and in USA, United Kingdom, Germany, Singapore, Malaysia, Australia, New Zealand, nearly will not sell the low-grade ornaments.
4 Many occupation women, middle-aged women, middle class women, high income women, will still like traditional style and classic colors ornaments.