An assembled product comprising at least three elements arranged in three different planes which are essentially perpendicular to each other, including: a first element connected perpendicular to a second element, and a third element connected perpendicular to the second element and perpendicular to the first element, wherein the assembled product comprises locking devices each comprising a flexible tongue arranged in an insertion groove at one of the at least three elements, wherein said flexible tongue cooperates with a tongue groove, at an adjacent one of the at least three elements, for locking the one element and the adjacent element together in a first direction, that each of said locking devices comprises an edge section groove at one of the elements or at the adjacent one of the elements, wherein an edge section of the other of the one element or the one adjacent element cooperates with said edge section groove for locking the one element and the one adjacent element together in a second direction which perpendicular to the first direction, and wherein a first edge of the first element is connected to a first edge of the second element by a sixth one of said locking devices, characterized in that a second edge of the second element is connected to a first edge of the third element by a first of said locking devices, that a second edge of the third element is connected to a second edge of the first element by a second of said locking devices, that optionally a fourth element is connected perpendicular to the first element, and a third edge of the third element is connected to a second edge of the fourth element by a third of said locking devices, that optionally a fourth edge of the third element is arranged in a groove at a second edge of a fifth element, and the fifth element is connected perpendicular to the second element and to a fourth element, and that optionally a first edge of the fifth element is connected to a third edge of the second element by a fourth one of said locking devices, and a third edge of the fifth element is connected to a third edge of the fourth element by a fifth one of said locking devices. a first element connected perpendicular to a second element, and a third element connected perpendicular to the second element and perpendicular to the first element, wherein the assembled product comprises locking devices each comprising a flexible tongue arranged in an insertion groove at one of the at least three elements, wherein said flexible tongue cooperates with a tongue groove, at an adjacent one of the at least three elements, for locking the one element and the adjacent element together in a first direction, that each of said locking devices comprises an edge section groove at one of the elements or at the adjacent one of the elements, wherein an edge section of the other of the one element or the one adjacent element cooperates with said edge section groove for locking the one element and the one adjacent element together in a second direction which perpendicular to the first direction, and wherein a first edge of the first element is connected to a first edge of the second element by a sixth one of said locking devices, characterized in that a second edge of the second element is connected to a first edge of the third element by a first of said locking devices, that a second edge of the third element is connected to a second edge of the first element by a second of said locking devices, that optionally a fourth element is connected perpendicular to the first element, and a third edge of the third element is connected to a second edge of the fourth element by a third of said locking devices, that optionally a fourth edge of the third element is arranged in a groove at a second edge of a fifth element, and the fifth element is connected perpendicular to the second element and to a fourth element, and that optionally a first edge of the fifth element is connected to a third edge of the second element by a fourth one of said locking devices, and a third edge of the fifth element is connected to a third edge of the fourth element by a fifth one of said locking devices.