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This was a blast to build. Kudos to the designers, each part fit together exactly exactly as it was designed, no need to force anything. Instructions are excellent and the pieces are all well numbered in their respective boards. It has forward gears first and second, as well as neutral, and reverse. A few tips: --Instructions say to use wax on the gears; you will need your own wax as customs does not allow them to include it. --Parts all easily snapped out of their template, no breakage, but take care when removing them and you will have no problems.. --Instructions say a 14 year old can build it. This is probably true, but it should be a 14 year old with patience as it took me about 16-18 hours overall to build it. The three wine casks, for example, took an hour to assemble, and the four wheels also took about an hour (total) as there are multiple tiny parts for each. --Some of the parts fit snugly in place. That's good, but sometimes it's a balance of how much force/pressure to exert. I only broke one piece out of 474 pieces and the one I broke came with extra pieces just in case. --Similar to the aforementioned comment, I found it helped to have a pair of needle nose plyers handy when joining a few pieces, especially the wine casks. Overall I can highly recommend this fun project.

I loved building this little steam engine. The parts are all well cut and fit together with very little sanding or adjustment. I especially love how detailed and intricate the design is, and that the pieces came in different colors to add contrast and make for a great display piece once assembled. Instructions were clear and easy to follow. This kit comes with everything you need right out of the box, but I did add a dab of glue very occasionally just to add stability. I wouldn’t say glue is necessary though. I like to take my time building models, and I finished this one in about 5 days, working on it for just a few hours each day. Already looking forward to the next kit from this brand!

If this is the first wooden model you are looking to assemble look elsewhere. Very challenging with many small pieces. Instructions are great and the model works well if you follow them to a T. Have a good quality glue on hand in case you break a piece or something doesn't want to stay together. If you have some experience with wooden models I highly recommend this kit.

Well made kit. Just difficult enough to keep my interest. I would not recomend for beginers as a first kit.

Enjoyable in my spare time. The intricate working construction is amazing. It makes previous plastic models prehistoric. I've constructed many of these -- this was mildly masochistic.

This must be my 9th or tenth ROKR puzzle. I've enjoyed the assembly up until step 13, attaching the large wheels. The video shows the assembler easily sliding the wheels onto the axle. This was not my experience at all. It took quite a bit of force to overcome the rubber friction of the little square washers. Despite my trying to be very careful, I slipped twice, breaking a couple of other small pieces. These can be repaired, but why is the friction is so high? The reason that I slipped is that so much force was required. Also, I must have done additional damage because the drive gears no longer engage properly, and I may have to back out to fix it. And it is just as difficult to remove the round washers, which I'm most certainly going to have to do. I can pass on a tip I discovered for pushing the rubber washers onto the axles. I found an old ballpoint pen with an opening just large enough for the axle to go through. It was possible to unscrew the tip from the pen. Once a washer has been started at the end of an axle, the tip can be used to provide a good grip in order to provide an even force on all sides to the washer in order to push it on to the shaft.

I am having trouble with this

This was a lot of fun building. The instruction are clear and the tractor runs when you are finished.

A quality kit that is well designed, it builds up nicely in stages with clear instructions. Every tool you need for the build is included except for a craft knife or scalpel. It's a lengthy build with some challenges, but patiently following the instructions will yield a worthwhile result.

Took a lot longer to build than the box says. Like a lot longer. Looks amazing when its done and runs so smoothly.

I purchased several ROKR 3D puzzles for Christmas gifts 2025. The quality is amazing. The finished product is even better that the photos. I couldn't believe how affordable they are. Anyone who loves a challange will love these! I will be purchasing more for gifts.

Another amazing model. ROKR and Rolife definitely make the highest quality models. I’ve mentioned before that when I do these, I tint the wooden cut edges to match the piece. This is only where they are going to be seen and it certainly makes piece and the model look a lot better. I use furniture repair markers available on Amazon. I have built at least 15 Rolife/Rokr models in the past year and this was definitely the MOST COMPLEX! Take if slow. I would really like to know how they design these and produce them. It boggles my mind. My only issue is that when it’s all complete what do you do with it? It’s not a toy that you’re gonna let a child play with and it’s nice to show someone that it is motorized, but I think I prefer the static models that you can just display. So much work went into the gearing of this model and basically it’s going to sit.

Very well built precision cut pieces and enjoyed building.