"Ropes. Tape is good. A small knife, I never run out of uses for that." Senku admitted as he considered that for a moment.

"Glowsticks? Hm, that's interesting. I keep a way to start a fire, but honestly, if we're going to order it from a train, might as well ask for a flashlight of some kind. That would be the modern equivalent."

Glowsticks would work in a pinch, but were they easy to hide if necessary? Perhaps he was thinking more of the type that one cracked to light up and they remained lit until burnt out.