Patent ID: 6273778
Filing Date: 2001-08-14
Classification: A63H

Abstract:
A toy building set comprising interconnectable toy building blocks each having a first face with at least one coupling stud extending from the first face and defining a coupling axis perpendicular to the first face, and a second face with a coupling cavity extending from the second face into the block, the at least one coupling stud and the coupling cavity allowing, by relative movement of the two blocks in the direction of the coupling axis, interconnection of two such blocks by receiving the at least one coupling stud on one building block in the cavity of another block;the toy building set further includingone such block having a tubular portion defining a tube axis transverse to the coupling axis, the tubular portion extending between opposite sides of the block having the tubular portion and defining a through opening along the tube axis; andat least one tube;the tubular portion and the tube each having a male end and a female end capable of receiving a male end of another tube or tubular portion.