Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

When do you develop kneecaps?


Somewhere between 2 and 6 years old.

{{ relativeTimeResolver(1595073500672) }}

LIVE
Points points 42
Rating

Similar Questions
Sign in to view all similar questions

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE