Patent attributes
A marble toy kit includes building blocks and base platforms. Each building block includes a block base, formed of a single piece of plastic, that has four sides interconnected to form a tubular member having a square cross-section and having an interior. At least one side has an opening sized to receive a toy marble. The top of each building block has a base portion and a connection boss extending from the base portion. The connection boss and base portion have a second opening sized to receive a toy marble. The boss is configured to engage and fit within the open bottom of another block base having the same structure. At least one base platform includes a plurality of pedestals extending from a top surface. Each pedestal fits within the open-bottom of the block base of a building block to attach the block base to the base platform.