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- How often should I replace the brushes on my slot cars

Honestly, it really depends on how often you race your slot cars. If you’re using them a lot, you might want to check the brushes every few races or so. A good rule of thumb is to replace them when you start noticing a drop in performance or if they look worn out. Better safe than sorry, right?

I’d say keep an eye on them! If you’re racing regularly, maybe swap them out every couple of months. If you notice your car isn’t running as smoothly or has less power, it’s definitely time for a change. Just make sure you’ve got some spares on hand!