EMPLOYEE WAS STACKING DOWN A BRATTICE WHEN HE REMOVED A BLOCK, ANOTHER ONE FELL ON HIS LEFT FOOT CAUSING HIM TO RECEIVE A BROKEN TOE. THE BLOCK FELL JUST BEHIND HIS STEEL TOED PLATE IN HIS BOO T. THE BLOCK WAS 6"" HIGH 6"" WIDE 16"" LONG. THE BLOCK WEIGHED APPROX 25 LBS AND FELL FROM APPROX 4' HIGH.