90s Nostalgia Craft Making 'Boiled Yakult Bottle Keychain' for Backpacks
This video revives the nostalgic 90s trend of boiling empty drinking yogurt bottles to shrink them into miniature bag keychains.
What is this trend?
The creator demonstrates a classic childhood craft from the 1990s by taking an empty plastic drinking yogurt bottle, washing it, and dipping it into boiling water. The heat naturally shrinks the plastic bottle into a compact miniature, which is then pierced with a hole to insert a ball chain keychain. The finished tiny replica is attached to children's school backpacks to test their honest modern-day reactions.
Why the hype?
Now that store-bought character acrylic keychains are everywhere, this simple zero-cost upcycling trick brings back intense nostalgia for millennials who used to carry handmade shrunk bottles to school. The hilarious and skeptical reactions from modern elementary kids who immediately sniff the bottle and refuse to take it to school make viewers laugh while reminiscing.
Where is it spreading right now?
Surpassing 8.5 million views on YouTube Shorts, this video has sparked widespread discussions across Korean online communities about forgotten childhood schoolyard trends. International viewers in Japan and Latin America also identify with similar school craft memories, driving searches for miniature novelty retro accessories.
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