1. A cardboard box: You can use either a shoe box (like the one used in the explainer video) or an empty cereal box. 2. A white sheet of paper that will be able to cover one end of your box. 6.
According to the American Academy of Ophthalmology, direct exposure to the sun’s UV rays can lead to eye diseases such as eye cancer, cataracts, or blindness. Knowing this, you should prepare to wear ...
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