* Custom-made or fan-made: There might be individuals or small businesses creating Pokemon-themed marbles, either for personal use or to sell. You could find these through online marketplaces like Etsy or through local craft fairs.
* Marbles with Pokemon imagery: You might find marbles with Pokemon imagery printed on them, but they wouldn't necessarily be branded "Pokemon Marbles." These could be part of larger sets or individual marbles with different themes.
* Pokemon toys that are marble-like: Some Pokemon toys, like the Pokemon Go Plus, have a ball-like appearance, but aren't traditional marbles.
If you're looking for official Pokemon marbles, it's unlikely they exist. However, there are other ways to find Pokemon-themed marbles or toys that might satisfy your interest.