Patent ID: 7553209

Claim:
A combination of toy-building elements for a toy that includes a plurality of toy-building elements, the combination including a first toy-building element comprising: sidewalls; a top having a broad surface that extends toward the sidewalls and at least one projection extending above the broad surface; an open bottom; and an interior having contact surfaces that arc accessible through the open bottom and are for effecting a releasable restraining engagement with an interconnectable projection on a second toy-building element; wherein at least one of the sidewalls includes a coupler for effecting a variably positional engagement with an interconnectable coupler in another toy-building element that can be variably positioned in relation to the first toy-building element when the coupler of the first toy-building element is engaged with said interconnectable coupler of said another toy-building element; and a second toy building element, comprising: a plate, a projection that extends from the top of the plate for effecting said engagement with the interior contact surfaces of the first toy-building element; a member that extends from the bottom of the plate; and a pair of couplers that extend from opposite sides of the member for respectively effecting a variably positional engagement with an interconnectable coupler in a further toy-building element that can be variably positioned in relation to the second toy-building element when a said coupler of the second toy-building element is engaged with said interconnectable coupler of said further toy-building element; wherein the lateral breadth of the member in at least the dimension in which the couplers extend is less than the lateral extension of the plate.