Interlocking toy bricks

Abstract

Toy brick or block elements in particular of artistic and educational type, in which a plurality of brick elements made of a variety of different colors and a variety of different shapes are interlocked between each other by means of tongues and corresponding grooves to build a great variety of precise and coherent patterns or designs.

1 - 16 . (canceled) 
   
   
       17 . A building toy formed of interlocking brick elements comprising:
 a plurality of interlocking bricks configured to be assembled together to form patterns, each one of the bricks having an upper part, a lower part and an annular recess which extends between the upper part and the lower part and surrounds the middle part of the longitudinal height of the brick;   the upper part of the plurality of bricks being formed with a shape; and   the lower part of the plurality of bricks providing, on its longitudinal height, at least one longitudinally extending tongue and at least one longitudinally extending groove, the at least one tongue and the at least one groove being shaped and configured so that bricks can be releasably interlocked by a tongue of a first brick slidably engaging a groove of a second brick.   
   
   
       18 . The building toy according to  claim 17 , wherein the annular recess of a brick is deeper and longer than the at least one tongue such that the tongue of the first brick can enter the recess of the second brick before slidably engaging with the groove of the second brick. 
   
   
       19 . The building toy according to  claim 17  wherein the lower part comprises a circular shape. 
   
   
       20 . The building toy according to  claim 17  wherein the lower part comprises a polygonal shape. 
   
   
       21 . The building toy according to  claim 17  wherein the upper part comprises a circular shape. 
   
   
       22 . The building toy according to  claim 17  wherein the upper part comprises a polygonal shape. 
   
   
       23 . The building toy according to  claim 17  wherein the upper part comprises a partly spherical shape. 
   
   
       24 . The building toy according to  claim 20  wherein the polygonal shape comprises a square shape. 
   
   
       25 . The building toy according to  claim 22  wherein the polygonal shape comprises a square shape. 
   
   
       26 . The building toy according to  claim 20  wherein the polygonal shape comprises a hexagonal shape. 
   
   
       27 . The building toy according to  claim 22  wherein the polygonal shape comprises a hexagonal shape. 
   
   
       28 . The building toy according to  claim 20  wherein the polygonal shape comprises a rectangular shape. 
   
   
       29 . The building toy according to  claim 22  wherein the polygonal shape comprises a rectangular shape. 
   
   
       30 . The building toy according to  claim 20  wherein the polygonal shape comprises a triangular shape. 
   
   
       31 . The building toy according to  claim 22  wherein the polygonal shape comprises a triangular shape. 
   
   
       32 . The building toy according to  claim 20  wherein the polygonal shape comprises at least one of a concave and convex side surface. 
   
   
       33 . The building toy according to  claim 22  wherein the polygonal shape comprises at least one of a concave and convex side surface. 
   
   
       34 . The building toy according to  claim 17  wherein at least one of the plurality of bricks comprises a cylindrical portion protruding from the top of the upper part. 
   
   
       35 . The building toy according to  claim 34  wherein at least one of the plurality of bricks comprises a cylindrical recess in the bottom side of the lower part. 
   
   
       36 . The building toy according to  claim 17  wherein the top of the upper portion of at least one of the plurality of bricks comprises an alphanumeric representation provided for educational purposes. 
   
   
       37 . The building toy according to  claim 17  wherein the top of the upper portion of at least one of the plurality of bricks comprises a design provided for educational purposes. 
   
   
       38 . The building toy according to  claim 17  wherein the tongues and the grooves are hidden by the upper parts when brick elements are assembled between each other. 
   
   
       39 . The building toy according to  claim 17  wherein at least one of the plurality of bricks comprises a first section and a second section wherein the first section is adapted to releasably connect and fit into the second section.