EnginoStem Toys, Construction Toys for Kids 9+, Mechanics Gears & Worm Drives, Stem Building Kit, Educational Playset, Gifts for Boys & Girls (12 Model Options)

It is a great gift to a child that likes to builds and to understand how things work. The quality of the kit is very good, it is definitely made for the use of children. It didn't brake even when it got a little "rough treatment"

I was hesitant at first because there weren't many reviews for or against, but I purchased the ENGINO-Stem Mechanics Gears and Worms set for our 9 year old grandson and he loved it. He is into anything with gears and STEM related that is creative, sturdy, makes more than one project within a box, and actually works; this was a hit! It also arrived very quickly, in great condition, and will be enjoyed for a very long time. I will most likely be buying some of the other sets available from ENGINO-Stem so that he can learn about other mechanics and build even more.

Love this set! Bought it for my 8yo son and he needs no help putting any of the builds together. A good challenge for kids that enjoy building things.Would definitely recommend.

I was happy to find something similar to an Erector set for a gift. I don't know about the quality, as I did not see it being opened or used.

I got this for my sister (adult) to build as a distraction from doing coursework in her PhD or to calm a restless mind late in the evening. She has so far enjoyed assembling various designs (trebuchet, ladder, etc.) and placing them in odd spots around the house. Given the age target, It's relatively simple to build and the instructions are very clear. All in all, I think this is a well-designed toy for all ages.

Son says it’s “even cooler than Legos.”

I bought this kit last year for my son who loves building kits (K'nex, LEGO, Snap Circuits, etc.). It looked so cool, but we were not especially impressed. The machines built by this kit are surprisingly large, which was great. For the most part, the pieces were easy to snap together. My 9-year-old was easily able to follow the instructions and build independently. The structural pieces were nice and sturdy (similar to the pieces in the Thames & Kosmos Catapults & Crossbows in size and feel), but the bars doing the mechanical work were really flimsy. These are slender pieces of black plastic used to transfer force from the handle to the gears that move the machine. On the relatively compact lift design, getting this skinny piece of plastic into place and making it turn were tricky enough, but the helicopter relied on several of these twiggy pieces connected by sliding the end of each piece into a connector. You had to get them in about equally in order for them to be held securely; if you got one in too far, it was really hard to tug it back out again (even for me). These flimsy pieces were what connected the crank at the back of the helicopter with the gear that turned the main blade. It was hard to get them turning, and they twisted under the strain of connecting the handle and the gear. Because of the flimsy nature of the construction, the mechanisms on both machines didn't always work: the teeth would jam, and you'd be afraid of snapping the black bar if you exerted too much pressure trying to wiggle them free. I was hoping these would be a step up from K'nex educational kits; the educational materials were great, but the mechanics were disappointing enough that my son built only these two models and never wanted to touch the set again. (This from a kid who has built and re-built all of his other building kits sets was a pretty big disappointment.)

I bought this for my 9 year old son. He loves building things and trying to figure out how things work. He has built almost every project listed in the booklet and he has already looked on the internet to see what other versions of the kits they have so he can try other ones. Love the fact that it keeps him busy and is learning STEM skills at the same time!

Excellent for a kid that loves to build stuff!

My son loved it, it’s easy to built, instructions are very clear and pieces are good quality

Son muy buenos, pero son un poco duros, por lo que no los recomiendo para niños de menos de 8 años o niños que se aburran rapido, hay que tener un buen rato de atencion para armar algo o un espacio en donde dejar todo y poder volver un dia despues.

I bought this for Christmas to my nephew (he's 7) and he loved it: it was challenging but not complicated and managed to do it all by himself. Nice gift :)

This is a Christmas gift for my grandson. I am positive he will love it. He loves to build things and this will test his knowledge of science.