Abstract: A modular building block may comprise a first face formed into a polygonal shape, an opposing second face formed into a corresponding polygonal shape connected to the first face via one or more sidewalls, one or more magnets disposed within each of the one or more sidewalls, a plurality of studs disposed upon the first face, and one or more studs disposed on the second face.

Abstract: A coupling toy, system, and kit is provided. In certain embodiments, the coupling toy may comprise a top surface and a bottom surface. The bottom surface may have one or more recesses sized to frictionally engage one or more studs along a toy platform. In some embodiments, the top surface may be connected or coupled to a toy character, such as a human-like toy, an animal-like toy, a toy building structure, or a portion of a toy building structure. The coupling kit may comprise a toy platform having a top surface with one or more studs disposed in a parallel matrix, and at least one toy figure having a top surface and a bottom surface. The top surface of the toy figure may be connected to a toy character or a toy building structure. The bottom surface of the toy figure may comprise one or more recesses sized to frictionally engage the one or more studs.