Here's how the terms relate:
* Aggies: These are large, colorful marbles, often made of glass. They're typically the most valuable marbles in a game.
* Tomies: These are smaller, usually opaque marbles, often made of clay or glass. They're less valuable than aggies.
* Cat's eyes: These marbles have a distinctive swirling pattern that resembles a cat's eye. They are usually made of glass and can be valuable depending on their color and design.
Let me know if you'd like to know more about how marbles are played!