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Gather food scraps.
- How does the soil and food scraps mixture feel? smell? look?
- What happens when you add water?
- What do you think will be here when we check on this soil tomorrow? in a week? in a month?
- Eggs—As long as no one is allergic to eggs, it's easy to wash and save the shells as you cook. Then, once you have a bunch, kids love to crush and incorporate them into dirt. Or, you can reuse the shells from Easter eggs, if you celebrate and used natural dyes. Either way, crushing eggs is super satisfying demolition work! And, the shells give the soil a nice boost of calcium, too.
- Coffee grounds—If you are like us, you live by your morning java. Keep some of the grounds and welcome kids to add them in. Once spent, coffee grounds can deter pests like slugs from sliming their way into munch on vegetables in your garden, and they can help boost the nitrogen levels in soil, too.
- Banana peels—Just like the bananas do for us, banana peels can contribute valuable potassium back into the soil. You can either steep the peels in water and make a banana tea to pour into the soil, or chop/cut up the peels, dry the bits and then sprinkle them into the soil.
- Citrus peels—Because citrus peels can last so well, they can actually make great starter pots for new seedlings. Or, bird feeders for feathered friends. If you have cats, a little citrus peels sprinkled about can keep the cats from treating the garden like a litterbox!
- Dried leaves—If you don't want to use kitchen scraps, you can always gather dried leaves, flower petals or grasses and welcome kids to break them apart and add them into the soil to speed up the natural process!