US Patent 10518193 Toy construction set

A toy construction set comprising operatively interconnectable blocks and connectors. Each of the blocks has one or more apertures formed in relief Each of the connectors has a base in the form of a plate or rod and a plurality of pins attached to the base in a spaced apart arrangement for interconnecting blocks. The pins are integral with the base plate. The interconnection between a block and a connector is achieved by the pins being positively engaging and releasably retained within one or more of the apertures of the blocks. The pins are oppositely disposed of a base plate so that a block can be connected to a connector on one side of the base plate, and another block can be connected to the same connector on the other side of the plate.