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When a family attempts to execute a massive, 20-foot driveway art installation, standard dry chalk sticks are a catastrophic physical nightmare.
Scraping a tiny, rigid stick of dry chalk across a massive expanse of terrifyingly rough concrete aggressively grinds human fingernails, rapidly depletes the chalk into dust in thirty seconds, and takes hours of exhausting labor just to fill in a generic two-foot red circle.
If you want to architect a colossal, blindingly vibrant, sprawling driveway masterpiece in under two hours without bleeding knuckles, you must completely abandon dry friction. You must move to massive-batch liquid chemistry. By rapidly utilizing massive volumes of cheap cornstarch to engineer a heavy suspension fluid and violently heavily saturating it with liquid pigments, you can synthesize buckets of brilliant, fast-flowing, fully washable Liquid Sidewalk Chalk Paint. Here is the rapid industrial formula.