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Based on 8 reviews
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I bought this for my 8 year old daughter who is really into Rube Goldberg Machines, marble runs, and automatons so this was perfect for her. I put it together because it's complicated and sometimes you have to press pretty hard to get pieces to lock in. But once it's finished, wow is it cool! This is our second ROKR machine and I'm obsessed with them. I want every one! It takes some time to put together but it works really, really well once it's built. I didn't use any of the wax because I didn't realize that was what the illustrations were referencing. The instructions are no joke (there's a lot of steps) but the pieces are numbered and if you take your time it's quite straight forward. I don't think you'd regret this purchase!
I'm an old man of 87 and have been building wooden kits for almost 80 of those years. I've seen a lot of kits in my years and this is one of the best I've seen. The engineering, manufacturing and packaging are superb. Everything fits. The parts are easy to press out of their sheet of plywood. All parts are numbered and laser cut perfectly. The instruction manual is all pictures - no words, but it's fully understandable. No problematic translations here.They give you a little piece of sandpaper and that's all you need. The laser cutting is almost prefect. I did paint the sub assembles and glue a few key parts. But that is my choice. No finishing is needed for this kit. This kit is not an overnight project for the uninitiated but it actually goes together quite easily. I used tweezers and a small hammer as tools . Try one - you'll like it.
My two boys love this. We bought 2 more different sets after this one. 11-year-old can assemble almost entirely on his own -- a couple steps his fingers weren't strong enough for. 7-year-old can do maybe 30% of the steps on his own, and I do the rest as he "supervises" and checks my work, but he still really loves it, and he's mesmerized by the finished results.The instructions are easy if you pay close attention. Tricky steps have QR codes that link to videos which show assembly. Some steps require a lot of thumb/finger pressure. Be careful not to break pieces, but the very few we have broken (always really tiny ones) typically have extras, or are fine to use with a little added glue.I was wary of this product before buying, and hesitated after read a few of reviews with complaints, but we like it so much that I'm actually motivated to post a positive review.
The instructions are very good. My advise would be to take your time, and only punch out the pieces needed for each step as you assemble each step. The laser precision that these pieces are cut with is incredible. It does take some force to connect the pieces, but do 2 things as you push things together. Wiggle it back and forth, don't push too hard that you might break a piece, and make SURE that the two pieces are FULLY seated together (OK that is 3 things actually!)I watched a YouTube video of someone that had put theirs together and it looked really wobbly. I almost didn't purchase it after seeing that video, but thankfully my wife convinced me that I would enjoy putting it together regardless. Let me say that when I was done it is NOT wobbly at all. That's why I say you want to make sure each connection is fully seated together. I have a feeling that makes a big difference in the sturdiness.I didn't track my time putting it together, but I think I spent about 8 hours total over 2 days putting this together. I took my time and was very careful. I did break one of the pieces and it was a supporting piece that didn't have a duplicate. I was able to split it together with a couple drops of wood glue and some of the unused wood from the stencils. That little mishap occurred when I was getting close to the end of the project and I was starting to get excited and was hurrying to get done. DON'T RUSH IT the best part of this is putting it together - enjoy that time!I will definitely be purchasing another one for a future rainy day project.
The best "engineering puzzle" I've ever had. Many kinds of mechanical complexity all built out of a few flat boards of wood. Beautiful and ingenious. Assembly was easy for anyone who has built any kind of model from parts and instructions before. This is not a starter project. But the instructions were far better than any other I've seen. All the parts were clearly labelled, the subassemblies were labelled on their main part, the parts were logically gathered on the popout boards. All the little tabs held up, I managed not to break ANYTHING. I had to use the sandpaper and wax in a few places as indicated in the instructions, and I had to glue 3 joints that were a little too loose, also as the instructions said I might. As others note, the balls tend to climb the escalator in pairs but I like that, I like the way they follow the two distinct paths back down in parallel
I gave this to my 14 yr old grandson, and we spent the day (about 6 hours) building this together. Tho we built it together, he was the one who did the assembly while I punched out the pieces and did a tiny bit of sanding with the square of sandpaper provided in the kit. The instructions were clear and easy to follow. The pieces were easy to remove. Contrary to other comments I read, no other tools were required and no glue was needed. The pieces fit tightly, sometimes needed a bit of force to connect, but that's what keeps them together. When we finished, the whole family gathered to watch the marbles roll. I'm already figuring out which ROKr "puzzle" I want to give him at the next occasion. It was great fun building it together, but he was capable of building it himself.
My 5-year-old grandson and I assembled the Marble Run. I provided direction per the instructions, he punched the parts and put them together, I made sure the parts were properly oriented and provided extra muscle for the tighter joints. Took us about 6 hours over 4 sessions. We had great fun, and he's very pleased with the finished product.Clever and well thought-out design. Very nice to have cleanly laser-cut parts.Suggestions if you are planning to build this... A hobby knife is helpful for separating some of the parts. We needed a bit of medium cyanoacrylate glue to keep the "escalator" section from coming apart (some of the joints weren't tight enough to hold it together). Also needed CA glue to keep the top of the spiral in place (seems like there should be a slot at the top of the spiral support, but there isn't). Turning the crank can cause the nuts to loosen; a little thread lock solves that problem.
I had an absolute blast putting this together and I fully intend to buy something else from this company. It took me 5-6 hour or so to complete. A few of the instructions were a little challenging to figure out what was being asked, but there were online videos you could reference for those steps. There were extra pieces when I was done, but as far as I can tell that was to be expected based on parts that might break that you might need to replace later as it all works and fit together quite snuggly. There is only one piece of track I might glue down as it pops up occasionally.