Given the size::performance of more modern options, the TVS-2 probably has more value as a collectors' piece and historical artifact than as a functional night vision device.
Being in Canada, I can understand the caution with your PVS-7, but remember, it was designed specifically for infantrymen, give the kids (a supervised) try.
![](/images/smilies/icon_smile_wink.gif)
![](/images/smilies/smiley_abused.gif)
~Augee