Aluminium tape for bed insulation improvement.

A led torch when looking into the box. -> A magnet to recover whatever I let fall in the box.

UHU paper glue. A microfiber cleaning cloth.

A metallic brush : not for the brush but because I use the wire strands to unclog nozzles. Gloves for when I do just that.

A box with desiccant for opened filament.

T-raps : a lot for whenever you modify any electrical routing or replace an electrical component on the moving parts.

Flat pliers : to remove the support.

PTFE loaded lubricant for the rails (PB suggests it once every 2 months).