Consider data download in CSV format

[microbit-robert]

Allows for screen reader users to inspect the data.

[kmcnaught]

This would be particularly helpful with data features, to look at your 10 samples you'd just be navigating a table with descriptive names and a number per sample.

If it makes it easier, you could split into 2 files per action, with 1 for x,y,z and one for features. Bundled into 1 zip download.