Cover for rocker style light switches. Glue or pressfit in two 6x3 round neodymium magnets. They will snap onto the existing cover plate screws.
Cover is rounded over to make challenging to remove by little hands.
Magnets: https://www.amazon.com/DIYMAG-6x3mm-Refrigerator-Premium-Brushed/dp/B07KZQGWNN/ref=sr_1_5?crid=YOXC0XL96UQN&keywords=6x3+magnet&qid=1640625298&sprefix=6x3+magnet%2Caps%2C136&sr=8-5
The author marked this model as their own original creation.