Minions can glow
Besides being adorable and winning audiences over with their charm, these yellow cylindrical creatures have more than one ability, and it is not uncommon for them to glow like a glowstick. Minions possess a few additional physiological characteristics that can be activated in different ways.
With a crack and a shake, they can double as glowsticks for activities in the dark, such as when going through a dark ventilation duct. Though this feature has been confirmed in certain Minions, we are still unsure whether all Minions can be transformed into glowsticks.