Perhaps do activities like manipulating physical objects (carpentry?, Lego, Rubiks cube), games like Tetris, or complex body movements where verbalization won't be of much use. Or standard Quantitative Reasoning problems from entrance exams. A few years back, the wordcel vs shape rotator debate/binary was being discussed online: https://roonscape.ai/p/a-song-of-shapes-and-words?r=53sw

I'd come across this book "Visual Thinking in Mathematics" (https://www.amazon.in/Visual-Thinking-Mathematics-Marcus-Gia...) which goes into some of this.