This ball rolls around the track trying to win and by doing so it joins the Mario Kart: Super Circuit roster!
To use this character you need to use a cheat code, because it's over Bob-Omb.
The sprites are an edited version of Poke-Max's sprites: https://www.deviantart.com/poke-max/art/Rotating-Pokeballs-391654974
Database match: Mario Kart - Super Circuit (USA)
Database: No-Intro: Game Boy Advance (v. 20210227-023848)
File/ROM SHA-1: 9D327C030C3E2D9007990518594F70C3340AC56F
File/ROM CRC32: ED316E37