Toy building block assembly

A toy building block assembly, comprising,

• a plurality of block members, wherein at least one of said block members includes a hollow cubicle configuration having planar block walls, wherein each of said block walls is formed of a predetermined configuration, and each of the block walls includes a central wall annular opening, and said central wall annular opening including an annular surrounding flange recessed below said planar block wall a predetermined thickness, and
• at least one covering plate arranged for mounting to said planar block wall, and the covering plate having a plate configuration equal to said predetermined configuration, said covering plate including a front wall having a predetermined configurational theme imparted thereon, and the covering plate having a plate rear wall having a rigid annular ring, including a resilient projection, with the annular ring and the resilient projection concentrically mounted relative to the rear wall and medially of the rear wall, and the resilient projection arranged for reception within the central wall annular opening, and the annular ring having a ring thickness equal to said predetermined thickness arranged for complementary mounting onto said annular surrounding flange.