Vibration Speakers
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Miêu tả:
We wanted to do a little experiment to see what household item would make the best vibration speaker. We tested an orange, a small cardboard box, a canvas sneaker, a metal flask, a glass jar (with black eyed peas), a mouse, a foam block, a plastic cup and a large cardboard box. Which item do you think will be the best?
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16 Tháng 2 2019
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