Martin Bruun: "Noisy but powerfull"
Stéphane Simard: "No instructions to make small demo models like 8700, 8720 and 8735..."
Ryan Gilmore: "be nice if there was an easier way to turn ot on and off, like a switch on the connector plates"
Jeff Beaty: "Interesting motor design. Sets 8284 & 8285 have instructions on how to include this motor set to operates parts of the models."