Skateboard ramp bowl
FIG. 1 is a perspective view of a skateboard ramp bowl showing my new design. 
     FIG. 2 is a top plan view of the skateboard ramp bowl. 
     FIG. 3 is a sectional view of the skateboard ramp bowl taken at about 3--3 of FIG. 2. 
     FIG. 4 is a sectional view of the skateboard ramp bowl taken at about 4--4 of FIG. 2.