Well that’s nice!
I’d like to pet large centipedes, but there ain’t any around here in Virginia. The largest one I saw here was only 4 inches. So I just do it to preying mantids and luna moths instead.
Giant millipedes are fun but once they start chewing on your finger tips and secreting their yellow stuff all over your hand, you need to let them find real food.
Idek about scorpions. I’ve only seen 3 in my life and one of them I got stung by (wasn’t actually that bad).