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Publication of TW367262BpublicationCriticalpatent/TW367262B/en
The present invention relates to a toy construction system comprising building elements of a first type having a pair of opposed walls that define a space between said opposed walls, wherein the space has, at the free edges of the opposed walls, an open end and two opposed open sides, and wherein those sides of the walls that face towards the space are provided with protrusions, and building elements of a second type having a coupling head that may, by snap-fit with the protrusions, be received and releasably secured in the space between the walls on a building element of the first type. The toy construction system is characterised in that each of the walls has only one protrusion between the two opposed sides.
TW087104036A1998-03-181998-03-18A toy construction system
TW367262B
(en)