Sister doesn't need to buy gold bracelets for her brother's children. Besides gold bracelets, there are many other gifts to choose from. You can consider your child's hobbies or other needs and choose a gift that meets the budget and meaning. A thoughtful gift, no matter how valuable, can convey your concern and love for them. Gold bracelet is a kind of high-value jewelry, which needs some financial support. So there is no need for my sister to buy gold bracelets for my brother's children.