It can be easily made with an empty pringles chip can
(See how to make it on http://www.exploratorium.edu/science_explorer/pringles_pinhole.html)
Now you can have glasses with poinhole lens and see the twirling images in an easy and fun way!!!
Here is our upgraded version of the pinhole lens.
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Material needed: 2 pringles’ pinhole lens cams (see last posting for the instruction), ruler, tape, unused big glasses frame, cutter, empty box (here we used shoe box), fabrics for cover.







































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(It is pretty cool watching the images of the outside world projected around the inside of the tubes.)
You don't explain this very well. It's a dual miniature camer-obscura type thing and I want to build one.
Try to emphasise how great it is to stare into this.
L