結果 : how to make an eclipse viewing box with paper
1:01

How to Make a Shoebox Solar Eclipse Viewer

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DIY || Simple Solar Eclipse Viewer

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1:58

Build Your Own Eclipse Viewer | Mach | NBC News

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2:58

How to make a solar eclipse viewer

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0:35

How to make a pinhole camera to see the solar eclipse

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1:42

How to Make a Safe Solar Eclipse Projector from 2 Paper Plates

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8:01

Safe alternative to solar eclipse glasses

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5:02

CofC Astronomer Builds Kid-Friendly Eclipse Viewer for Under $20

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1:38

How to make an eclipse viewer from a cereal box

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2:55

Make an Eclipse Viewer! | Science Project for Kids

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How to Make a Pinhole Projector

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#CBSeclipse: Tips On How To View The Solar Eclipse Safely

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DIY - Solar Eclipse Viewing Glasses

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DIY Solar Eclipse Viewer Using a Cardboard Box!

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0:19

Solar eclipse by using mirror and paper

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Total solar eclipse crafts: Easy-to-make pinhole projectors including two sheets of paper, coland...

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Eclipse Ready: How do you build a box projector to view the eclipse?

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Great American Eclipse: How to make your own eclipse viewer

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1:24

How to: DIY Solar Eclipse viewer

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