Bigger court, faster ball equals better movement, vision, and reaction.
Heavier racquet, heavier ball, larger court equals better lower development.
Any highly talented kid can play yellow and full court around 5-8 years old.
Follow Chris at these websites and social media links:
Website: www.chrislewit.com
Blog: www.ProdigyMaker.com
Facebook: www.facebook.com/ChrisLewitTennisAcademy
Twitter: www.twitter.com/chrislewit
LinkedIn: www.linkedin.com/company/chris-lewit-tennis-academy
Instagram: www.instagram.com/chrislewittennis/
YouTube: www.youtube.com/ChrisLewit
iTunes: https://podcasts.apple.com/us/podcast/the-prodigy-maker-tennis-show/