This is the tiniest gearmotor we've seen that's humanly affordable. What can you do with it? Ummm...
For some reason, you might find yourself wanting a way to apply some power in a really tiny area (under 3/4" long). Well, here's just the thing for you!
This tiny 120:1 planetary gearmotor features some incredible dimensions:
It's rated 3.5V maximum, with a 380 RPM maximum output. Here's the data: