Stemming from the ebay link in the sale for regarding the spiral gears.
3:40 if you want to see it in action.
In fact the whole video is edu-ma-cational (not).
Stemming from the ebay link in the sale for regarding the spiral gears.
3:40 if you want to see it in action.
In fact the whole video is edu-ma-cational (not).
Awesome.
Innovation!
Anyone else think the guy in the green jacket looks like JLN???