The first picture is Detachable braids and it comes in 10 pieces, 1 piece contains 3 short braids of 7 inches and 1 long one of 10 inches. After packing your kid's hairs in portions use the braids to pack them each and use the long one to wrap around the hair in order to cover the hair.
The second picture is a detachable bubble braids for kids and it comes in 5 pieces per pack.
The detachable braids can be reused severally and it's easy to use on kids hair.