i made this for my little boy who loves steam engines. he had his party at a train museum this year and the flying scottsman was the cake he asked for. everything is edible, the time in this one was huge. one wheel alone took me nearly 4 min to make....and i had to make 20! again though, once i found my groove to did come together quickly, I still think I can improve on it, but I"m guessing that not too many would ask for something like this due to the cost