Should have been the size of a bowling ball!

During our morning outside time at work some of the kids wanted to play with the balls.  The older children, the day before, threw the balls in a gated area of the playground instead of the ball area.
I was wearing a skirt so I couldn't climb the fence.  I decided to jump on this huge green thing that looks a little like a garbage bin.  One, two, three, jump!  I landed really good, swung my legs and hopped down.  The kids were so excited when I tossed the balls out.  Now, time to get out of my little trap.  One, two, three, jump, OUCH!  I didn't pay attention to the huge hook like things sticking out of that blasted green thing and nailed my left hip/leg.  Of course the second jump was more careful and was success!  It hurt so bad.  I didn't have a chance to look at it until I got home that night and it is maybe the size of a quarter.  With all that pain it should have been the size of a bowling ball.  It still smarts!