Snap-Together Building Block Set with Marble Tracks and Pieces Therefor

A marble track component kit, comprising:

• at least a first connecting track having a first rail and a second rail configured to cooperate to provide a first marble rolling path, and at least a first crosspiece extending between the first rail and the second rail;
• at least a second connecting track having a third rail and a fourth rail configured to cooperate to provide a second marble rolling path, and at least a second crosspiece extending between the third rail and the fourth rail;
• at least a connector block configured to releasably couple to the first connecting track and the second connecting track, and having a marble channel extending therethrough, the connector block having a first vertically facing side having a plurality of connecting studs having standard dimensions, and further including a second vertically facing side having a receptacle configured to receiving a further plurality of connecting studs having the standard dimensions, wherein when the connector block is coupled to the first connecting track and the second connecting track, a continuous rolling path for a marble is defined by the first marble rolling path, the marble channel, and the second marble rolling path.