"You can roll, but you can't hide" - The Seeker.
The marbles must run from the Seeker marble and avoid getting caught. They must race around this unique course and stay as for away from the Seeker. Whoever stays in the race the longest will be the winner. Choose your marble and good luck!

This is the computer that I use: https://amzn.to/2Fa3JcM
Here's another great computer that I recommend that is a little cheaper: https://amzn.to/3jLiZf2