O-P-E-N

 Alan's new business is OPEN!  Before it opened the kids were lucky enough to earn a few extra bucks and fill up the foam pit with........foam!  Bronson above is right when we started (empty)

 Start adding the foam

 Add a little bit of playing around.....

 OK....ALOT of playing around

 Hard work = Dirty hands.......and even dirtier feet!

DONE.......