Motor Toon Grand Prix was developed at Japan Studio (making it Sony Computer Entertainment's first major in-house project for the PlayStation) and began production under the title "Poly Poly Circuit GP". The project was directed by Kazunori Yamauchi, who stated that it was the team's goal to create realistic driving simulation without distracting from the game's enjoyment.
Motor Toon Grand Prix was developed at Japan Studio (noting it as Sony Computer Entertainment's first major in-house project for the PlayStation) and began production under the title "Poly Poly Circuit GP". The team, directed by Kazunori Yamauchi, sought to create a realistic driving simulation that would complement the game's entertainment.