The Paralympic Games starts on 29 August and is shaping up to be the biggest ever.
Some of the athletes taking part have a condition called cerebral palsy which means that their brains have trouble communicating with their muscles.
It affects around one in every 400 children in the UK, including 10-year-old Archie, who's a big fan of wheelchair basketball.
Here's his story of how why he likes the sport and what it's like living with his condition.
Watch Same But Different - Archie's Story co-produced by Libra Television & Two Sugars