Variety Combining Block

Abstract

The present invention discloses a variety combining block which comprises: a first block unit and a second block unit; wherein the second block unit joints to a through hole of a center of the first block unit; the peripheries of the first block unit and the second block unit are respectively provided with grooves, and the first block unit cannot only joint to each other, the first block unit or the second block unit can also joint to each other by grooves on peripheries thereof.

1 . A variety combining block, comprising:
 a first block unit having a through hole on a center thereof, at least one tooth within the through hole, and at least one groove on periphery of the first block unit;   a second block unit having at least one groove on periphery thereof and at least one perforation installed on a projection between adjacent grooves, wherein the second block unit is inserted into the through hole of the first block unit, and the perforation is jointed to the tooth of the first block unit; whereby the first block unit and the second block unit are jointed to each other by the grooves on their peripheries, and the same first block unit or second block unit is jointed to each other by grooves thereof, respectively and where a plurality of first and second block units can be connected to build larger order structures.   
     
     
         2 . The variety combining block according to  claim 1 , wherein the first block unit in a shape of gear. 
     
     
         3 . The variety combining block according to  claim 1 , wherein the second block unit in a shape of gear.