Rubbing alcohol or vodka.
How to remove stickiness from platic stored in hot attic.
You can go in.
Some feel it s the plastic seeping a sign that it s old.
Either way try cleaning sticky plastic using one of several simple methods that only require common household ingredients like baking soda isopropyl alcohol water and mild.
Let the oil soak in for at least 5 minutes.
Wet a paper towel or clean rag with rubbing alcohol and rub the residue to lift it off.
If the risk of damage is too great to attack the residue with a scraper the other option is to apply a solvent to break down the adhesive properties so you can wipe the residue off.
Other thoughts include grease and oils from the air collecting on the surface or oils from previous items that were stored in the container coming to the surface.
To remove a stubborn sticker from plastic use baby oil or vegetable oil.
Wipe the sticker away with a clean cloth then wash off any leftover residue with soapy water.
There are a variety of thoughts as to the cause of the sticky film on the plastic containers all of which could be the issue.
Rinse wash cloth then wipe remote repeat should be free of any sticky.
Also if their stored in sealed containers baggies boxes moc or mib mint on the card or mint in the box then the plastic can t breathe and the vaporized plasticizer cannot escape and will cling to the figure causing the stickiness or tackiness.
Dampen a wash cloth with hot water and wring out excess water dampen wash cloth with oil soap full strength and clean remote or sticky plastic.
Plastic can also get sticky as it accumulates residue from your hands if something gets spilled on it or if there is leftover adhesive on it from a sticker or glue.