Gemini-built volume slider with a tiny Japanese room inside cost just $0.19

minchoi · x · 2026-11-13

A viral demo built with Gemini: a volume slider called Hanabi Switch that reveals a living tiny Japanese room inside as you drag it. Creator vib3coded noted they just wanted to change the volume and ended up playing with it — the whole build cost only $0.19, showcasing how cheap generative UI creation has become.

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