I actually only needed some small light in order to be able to identify things in the dark box in low light conditions.
Somehow, that escalated quickly and turned into some #Christmas thing. 😎
Just two 7€ xmas LED sets with a 3xAA battery pack each.
Black cargo bike at night with LEDs mounted in the inner side of the opened cargo box
Black cargo bike at night with LEDs mounted on its left hand side.
Black cargo bike at night with LEDs mounted on its right hand side, resembling a reindeer.