I loved the “Smash Up Derby” set, you got two ramps, two ripcord cars and decals. I remember that when these two cars would smash into one another all the pieces would smash and fall apart. This was the neatest thing and we had countless hours trying to crash these two into another and watch them fall apart. There is a catch to all these toys, timing. Which being a kid, timing, was not always on my side or our side. We would sometimes rush to crash them and we would miss one another. But all in all, the idea of it was great and very entertaining.