Don't do this as your first build!! This is my 12th Rolife/Rokor 3D model. I haven't finished yet....it is a complex build and will take some time. So for things have gone well. You have to be careful with many of the smaller pieces as the tabs sometimes break easily. As always I glue everything. Lots of gears that you need to wax. I found that just the wax provided doesn't work that well. I used petroleum jelly on a previous model but on this one I happen to find one of those wax toilet bowl rings in my garage that you use to seal toilet to drain when installing new. This is a thick wax but much softer than paraffin and it works really well. I also used some wood silicon lubricant on the little part that moves up and down above the conveyor belt. I was initially stuck for some reason. Works great now. As always I also use some furniture scratch markers I found on 鶹 to "color" the raw exposed edges. Looks much better.