What looks trash to all can really be of use to people who are constantly looking for day-to-day solutions from nature. One such trash is eggshells and there are plethora of uses to eggshells. Here is a list of more than 30 uses of eggshells. For example, eggshells are rich in calcium content and can not only meet your flock’s daily calcium intake but also yours. Sounds weird but it is the truth. At the same time, eggshells can be used as first aid and beauty aid for removing blackheads and treating acne. Besides, there are plenty of DIY craft ideas using eggshells. So, use your imagination and make use of eggshells in the smartest possible manner.