🟩🕹️🧩

#tetris #s block #z block #tetromino #green piece

SPDF🧱

#s block #p-block #d-block #f-block #atomic structure

🟥`S`🟨

#superman colors #s block #minimalist superman #red yellow s #pixel superman

[2️⃣][🪗][🌍][🧼]

#group 2 #alkaline #s block