It’s not just shining into your own or someone else’s eyes, but going out at night and shining in peoples’ windows, blinding oncoming cars, etc. Unwanted effects can be anything from annoyance (windows) to injury/death (cars).
“It’s always fun ’til someone loses an eye”, etc.
Give them a broken flashlight and tell them to make sure to take good care of it.
Then yell at them !!
Parenting 101
basic
safe
cheap
could be smaller but hey
I had a flashlight Surefire Sidekick light elements, an elite presentation LED, and a unique faceted reflector that conveys an expansive and smooth light pillar. With a limit of 300 lumens, this keychain light covers a huge span.