Swivel interconnecting toy building blocks
FIG. 1 is a side elevation view of swivel interconnecting toy building blocks in accordance with the present invention; 
     FIG. 2 is a top plan view thereof; 
     FIG. 3 is one end elevational view; 
     FIG. 4 is the other end elevational view; 
     FIG. 5 is a bottom plan view; 
     FIG. 6 is a top plan view of one of the blocks separated from the other block; 
     FIG. 7 is an end elevational view of the block shown in FIG. 6; 
     FIG. 8 is a bottom plan view of the block shown in FIG. 6; and, 
     FIG. 9 is an end view of the other of the blocks. 
     The block in FIGS. 6-9 are shown separately for clarity of illustration only.