How To Make A Basketball Court On A Cake How Do I Make Concrete Smooth Like In A Garage?

How do i make concrete smooth like in a garage? - how to make a basketball court on a cake

I have something concrete from an area in my garden that will be used for basketball, but my brother and I really do not use. They play hockey, so I usually use simple, all turn on the basketball court. But if they ask us, as well as concrete as a garage. because in the garage of the skate blade very easily what we like to do the basketball court in a training ground for hockey.