A tool assembly for dry stacking bricks, said tool assembly comprising: - bricks for being stacked, wherein said bricks have longitudinally extending recesses at the bottom sides thereof, - an, in use, vertically extending, post arranged to be connected to connection means, - a tool having an elongated shape and is arranged to carry at least two bricks, wherein said tool comprises: - several protrusions spaced at a distance from each other, in the longitudinal direction of the tool, which protrusions are arranged to protrude into the recess of the brick in order to, in use, retain that brick in any horizontal direction; - at least one of said connection means at a longitudinal side of the tool, which connection means are arranged to connect the tool to a facade of a building; - at least one upright projection at said longitudinal side of the tool for aligning, in a transverse direction of the tool, the at least two bricks which are to be placed on top of said protrusions of the tool; characterized in that the tool comprises a guiding rail at the longitudinal side and extends in a longitudinal direction, wherein the at least one connection means is connected to the guiding rail such that the at least one connection means is movable along the longitudinal direction of the tool for aligning the at least one connection means with the façade of the building. - bricks for being stacked, wherein said bricks have longitudinally extending recesses at the bottom sides thereof, - an, in use, vertically extending, post arranged to be connected to connection means, - a tool having an elongated shape and is arranged to carry at least two bricks, wherein said tool comprises: - several protrusions spaced at a distance from each other, in the longitudinal direction of the tool, which protrusions are arranged to protrude into the recess of the brick in order to, in use, retain that brick in any horizontal direction; - at least one of said connection means at a longitudinal side of the tool, which connection means are arranged to connect the tool to a facade of a building; - at least one upright projection at said longitudinal side of the tool for aligning, in a transverse direction of the tool, the at least two bricks which are to be placed on top of said protrusions of the tool; characterized in that the tool comprises a guiding rail at the longitudinal side and extends in a longitudinal direction, wherein the at least one connection means is connected to the guiding rail such that the at least one connection means is movable along the longitudinal direction of the tool for aligning the at least one connection means with the façade of the building. - several protrusions spaced at a distance from each other, in the longitudinal direction of the tool, which protrusions are arranged to protrude into the recess of the brick in order to, in use, retain that brick in any horizontal direction; - at least one of said connection means at a longitudinal side of the tool, which connection means are arranged to connect the tool to a facade of a building; - at least one upright projection at said longitudinal side of the tool for aligning, in a transverse direction of the tool, the at least two bricks which are to be placed on top of said protrusions of the tool; characterized in that the tool comprises a guiding rail at the longitudinal side and extends in a longitudinal direction, wherein the at least one connection means is connected to the guiding rail such that the at least one connection means is movable along the longitudinal direction of the tool for aligning the at least one connection means with the façade of the building.