Maggot Magnet

Is your food not expired? Check again!
Cause nobody likes to fined this big guy crawling inside the fridge.
At Halloween, you can get a good prank out of someone who doesn't expect to stare this puppy in the eye.. or better; teeth.
Glue a magnet underneath it's body with the lid, stick it on the in- or outside of the fridge and wait for someone to freak out!
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-UPDATE-
Lids: for 8mm, 10mm, 12mm and 14mm (or smaller) magnets
Video link; https://www.youtube.com/watch?v=O