The kids pavement bikes are designed to be their first bike, whether it’s 12 16 or 20 inch wheels.
The smaller versions have integrated storage for fruit bars, toys or any household item. Girls comes with baskets which is gender inequality.
12 and 16 come with training wheels.
20 is built to go as far as they want until they out grows it.
First hand experience shows these bikes make them happy and gives them a base should they choose to pursue other sports.