eli5: How do scratch and sniff stickers work? 203 viewsMarch 11, 2024OtherTechnology Question100.55K March 11, 2024 0 Comments eli5: How do scratch and sniff stickers work? In: Technology 1 Answer ActiveNewestOldest Anonymous Posted March 11, 2024 0 Comments There are tiny little capsules containing dry aromatic materials. When you scratch it you burst some of the capsules and can inhale the particles to smell them. Register or Login
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