It's touchy to get working.
This is a quality model. The gears for the motorized version are exceptionally hard to get to work right, though. I'm an experienced model builder, and I have not yet been successful in ironing out all of the kinks in getting the gears to engage, freely turn, and not get stuck. I've also modified the paint schemata to make it look better. I hope that I get it to work. It looks good, though.
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