Crushed shells can scrub pots, remove stains from mugs, or even mellow bitter coffee. In crafts, they’re great for mosaics, vases, or seedling pods. They can feed chickens, sharpen blades, or serve as candle holders.

Health-wise, eggshells can be crushed into a calcium-rich paste for dental care or used to draw out splinters and soothe blisters. They’re also perfect for science experiments—soak in vinegar to watch them dissolve.

Instead of tossing them out, repurpose eggshells to reduce waste and enhance both your home and garden.