"My 10 year old daughter loved building and loves playing with this set! The swing was frustrating for her to put together by herself, so it required parental assistance (which can be annoying to an independent child). The only thing that we would like more about it is if it came with 2 or 3 cars so it was more like a real amusement park ride or roller coaster. There looks to be an attachment for more cars on the front and back, but if I were to buy extra pieces the little boat is too long in the front to allow for it to link up to another car. It would be a nice if they were designed to allow multiple cars to line up and to have add-on sets available for purchase! (Or to just have 3 cars in the set)."