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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.

Excellent in all respects. Separating parts from sheets couldn’t be easier. Instructions first class. Design and layout excellent. Unbelievable value for what you get. Many extra parts in case you break or misplace one. Goodbye Lego hello Rokr 👍

Fun and a really great gift

Well crafted and excellent quality. The end product was very good - just as advertised. The instructions are clear and easy to follow. Had a little trouble as I had lost a piece but customer service was very responsive and helped replace the part for a small shipping fee. For those who love building this is a great purchase for a very good price.

Very cool model kit.It can be built by a novice but recommend an experienced modeler to help.

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.

So relaxing and therapeutic to do I recommend it and it’s fun

My husband has purchased many Rokr 3D puzzles and they are all great. (He purchased the pinball machine 3 years ago, plays it all time and it still plays like new.) He was excited for the steam engine. However he was sadly disappointed with it from the get go. The pieces would not stay in place and they kept popping off. The instructions didn't match up with the pieces, and nothing joined together properly. The only way he could have gotten it to stay together is to have glued it which he did not want to have to do. He has never had a problem with Rokr before, as I stated earlier so this was a sad surprise. The boards too, seemed more flimsy and thinner that the usual high quality of Rokr. If they had a quality control, this should not have passed. After only working on it for two days, it got too frustrating and he ended up returning it this morning. Bummer!

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.

This model gave me hours of enjoyment. All the pieces fit very well together, and I appreciated the extra pieces provided just in case one breaks or gets lost on the floor! However, I did manage to break one non-critical piece that didn't have a spare, but it was easily fixed with some glue and shoring. Just not paying attention on my part. Runs great and looks good. Only thought for an upgrade is to make it run on/off with an app from your phone. The on/off switch is impossible to get at once its off and running on the floor.