Do babies have kneecaps? Babies don’t develop one of the most important joints in the human body – the kneecap until they are 3-5 years of age. More from my siteHow high do baby giraffes fall from when they are born?How many bones are there in the human skull?The quietest room in the worldHow much pizza do Americans consume?Is Russia bigger than Pluto?How much was the safety pin patent sold for? 0 comments   Get Livefyre FAQ Sign in + Follow Post comment Link Newest | Oldest