A set of playing cards, where the suits are Mathematics, Biosciences, Physics and Chemistry. With the symbols being an aperiodicn monotile, a protein helix, an atomic symbol and a round bottom flask respectively. There's only the one face card so far, which is Dmitri Mendeleev drawn stylised like a playing card.
https://files.mastodon.social/media_attachments/files/112/106/506/980/368/133/original/cebd2809cd3408dc.png