A foldable play structure comprising: at least four panels each connected to another to provide an accordion fold structure; at least two corner hinges (168, 669) comprising: a first hinge portion attached to one panel of the at least four panels, wherein the first hinge portion comprises a first through-hole; a second hinge portion attached to another panel of the at least four panels, wherein the second hinge portion comprises a second through-hole; and a fastener configured to be retained within either the first portion or the second portion, wherein the first and second through-holes are sized for interaction with the fastener; and at least one mid-wall hinge attached to two of the at least four panels and located between the at least two corner hinges; wherein: the accordion fold play structure comprises two configurations, in a first configuration, the at least four panels of the accordion fold structure are folded to be stacked in substantially parallel planes, and for each corner hinge the first hinge portion is perpendicular to the second hinge portion, and in a second configuration, the at least four panels are unfolded forming a play structure, the panels attached to each corner hinge are perpendicular to each other, for each corner hinge the first hinge portion is parallel to the second hinge portion, and the first through-hole aligns with the second through-hole. at least four panels each connected to another to provide an accordion fold structure; at least two corner hinges (168, 669) comprising: a first hinge portion attached to one panel of the at least four panels, wherein the first hinge portion comprises a first through-hole; a second hinge portion attached to another panel of the at least four panels, wherein the second hinge portion comprises a second through-hole; and a fastener configured to be retained within either the first portion or the second portion, wherein the first and second through-holes are sized for interaction with the fastener; and a first hinge portion attached to one panel of the at least four panels, wherein the first hinge portion comprises a first through-hole; a second hinge portion attached to another panel of the at least four panels, wherein the second hinge portion comprises a second through-hole; and a fastener configured to be retained within either the first portion or the second portion, wherein the first and second through-holes are sized for interaction with the fastener; and at least one mid-wall hinge attached to two of the at least four panels and located between the at least two corner hinges; the accordion fold play structure comprises two configurations, in a first configuration, the at least four panels of the accordion fold structure are folded to be stacked in substantially parallel planes, and for each corner hinge the first hinge portion is perpendicular to the second hinge portion, and in a second configuration, the at least four panels are unfolded forming a play structure, the panels attached to each corner hinge are perpendicular to each other, for each corner hinge the first hinge portion is parallel to the second hinge portion, and the first through-hole aligns with the second through-hole.