Searching for a motor to drive a prop

Hi there!

I’m looking for some help to identify the right motor for our application…

We build indoor mini-golf courses, and we’re looking to build some rotating props including a carousel, windmill, and roulette wheel.

I’m looking for a motor that can be fitted with a standard rubber wheel and positioned on the flat edge (usually the underside) of the prop to drive it. We’ve prototyped this well with a 12V DC motor and a speed controller, but I worry that the motor will degrade or fail because it’s designed for high speed rather than low speed/torque.

I’m hoping somebody here might be able to suggest an appropriate motor that will work well at low speeds and not stall while torqued up a bit?

All thoughts and suggestions welcome!

Many thanks in advance,