7-Story Parking Garage by Melissa & Doug
I bought this last year for my son and it is still one of his favorite toys. Doesn't have a scratch on it, either, which speaks well for its durability. It fits several sizes of vehicles and has a little gas station and car wash at the bottom plus an elevator that transports the cars all the way to the top where they roll out and race down the ramps. A definite favorite in our house.