It’s the “ Copy data into extra large capacity micro sdcard” step that gets you caught. Nobody is stopping you from leaving with an SD card or USB stick at Google.

Importantly, this would work way better on a speedcube than the rubick's brand cubes. Never use the rubick's brand rubicks cubes. I use the Moyu RS3m V5 maglev, and I think that it would work well for hiding uSD cards.

I wish an extra capacity SD card was enough, google books holds (probably) an insane numbers of books