We bought this for my sons fifth birthday, and his face was an absolute picture when he opened it. He was delighted with the familiar characters, made up stories around the original CARS2 storyline, and got his 6yr old brother to build it for him. Its a lego classic, all the usual fun associated with a lego product, although I do think this is less robust than the more traditional models. Bits do fly off, fall off and snap off regularly, all of which can be fixed,but by making the models more complex and detailed breakages,damage and lost 'special' bits do occur. Great if you're a fanatic, and put every piece back in exactly the right place everytime. Otherwise be prepared for constant rebuilding and the loss of tiny detailed pieces. A popular toy, made frustrating by constant rebuilding.Another fine product from the Lego Range, I bought it for my 5 year old Godson, and once put together it has been hours of fun, my only critiscm is that there are a lot of small parts and it doesn't stay together too well when roughly handled by young fingers, I may have to resort to gluing it together !! other than that though its a great toy !My 9 year old really enjoyed making this set, lots of little builds within the bigger one. The Rig is smaller than you expect though, a little bigger would've been better. Still recommend it though.I bought it as a gift for my eleven year old grandson who assembled it in no time and is now trying to keep it away from his four year old brother.For a 4 year old its a little advanced but my son and grandson have spent many happy hours playing with this item and because its lego they'll be playing with it for years to come.