Let's Make Robots!

swarm bot

Help with Micro/Mini Gearhead motors for tiny bot

Ok so if you've read my profile here, one of my goals is to create/produce a low cost, versatile micro/mini robot that could be used as a swarm bot.

Currently I'm trying to source some decent tiny gearhead motors for under $12 dollars. Today I've come across these:


and this



Also there are some 3V gearmotors of the same dimensions with varying RPMs (from 30 to 100rpm) available as well. The torque ratios are not given for those, however.