Here we go again:
I wouldn't go into full details. I'm mentioning only some and omitting a major portion.
Small hardcover notebook, pen, smartphone;
---
Scotchtape, lockpicks, screwdriver w/ common bits, utility knife, Nd magnet, insulated wires, jumpers, torch, extra li battery, butane lighter, tissues, superglue, zipties...
---
Extra usb adapter, several cables, pendrives, sd cards, sims etc etc...
---
Antihistamines, nsaids/painkillers, sedatives, topical lidocaine, ors, several syringes, tape bandages, iodine, IPA, toothbrush, condoms, energy-dense foods, instant coffee (for withdrawls), mosquito rep etc
---
Nitrile gloves, ep tubes, falcons, some filters, a good amount of parafilm, swabs, ziplock bags
---