Pencil Box Periscope

Pencil Box Periscope

This is a program based on toys from trash; explains the making process of simple periscope using a cardbox pencil box and two plain mirror.

https://files.metastudio.org/media/b/3/5/a7ab07324a814ee6d5009f91770e87987a2e6530b5956285789a40b848594.mp4

License: CC-BY-SA 4.0 unported
Source: Arvind Gupta