MNIST and other small and easy to train against datasets are widely available. You can try out anything you like even with a cheap laptop these days thanks to a few decades of Moore's law.
It is definitely NOT out of your reach to try any ideas you have. Kaggle and other sites exist to make it easy.
It is definitely NOT out of your reach to try any ideas you have. Kaggle and other sites exist to make it easy.
Good luck! 8)