Update October 2023: By popular demand I have changed the title. Yes you are right, internet, these are preschoolers, not toddlers.
kid in grey is 15 now! We had just moved to Italy, he spoke English and Serbian at the time and that's his brother you hear speaking Serbian in the background.
sorry to disappoint, but this was a onetime meeting. Kid in red left soon after with the ball, which was his. I think the internet is still looking for him.
kid in grey says he meant grande (bigger) as in taller.
Watch with captions. I put those in by hand.
be nice, people. The mafia jokes are getting old and I'm going to start deleting them soon. I'm still chuckling at the Mario and Luigi and the hand gesturing ones, though.

English transcript:
Little one (LO): YOU are small.
Big one (BO): Me not small. Small is like this! [demonstrating]
LO: No, YOU are small!
BO: No, me are big!
LO: I am big: you are small!
BO: No, YOU are small and ME are big!
LO: I AM BIG!
BO: No, me, you are small and I, I am, I are big! [covers ears]
LO: No, You are b! You are SMALL!
BO: You! Are! Small! ME! are! BIG! [covers ears]