Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Looks great, but too flimsy for my taste.

I wanted to like this, and bought it based on reviews here on Amazon. For the most part, this toy is okay. However, the elevator does not work that well. The problem I am having is that the small forks on the conveyor chain constantly hang up both at the ball pick up point and drop off point. The clearances around the forks are quite small but the "slop" in the chain and other structural pieces make alignment difficult, at least in our set. I have managed to greatly enhance operation by filing down the problem areas, but this is not what I expect from a toy costing this much. I also agree with an earlier reviewer that it is unfortunate that standard, larger marbles will not work in this toy.Having said all that, I must admit that our son really enjoys this set a lot.