An item of furniture, particularly for children, which item of furniture defines a rectangular parallelepiped enclosure which: - has a height H, a width L and a depth P such that L = 2 3 H and P = 1 2 H - has first and second parallel sides (10A, 20A), which are opposite each other along said width, - has third and fourth parallel sides (10C, 10C,) which are opposite each other along said depth, and - has fifth and sixth parallel sides (10E, 10F), which are opposite each other along said height, which item of furniture comprises: - first, second and third flat walls (11, 12, 13) which respectively close the first, second and third sides (10A, 10B, 10C) of the enclosure, and - a fourth flat wall which: - is parallel to the fifth and sixth sides of the enclosure, at a distance D from the fifth side such that D = H - L, - along said width, extends from the first flat wall to the second flat wall, and - along said depth, extends from the third flat wall to the fourth side of the enclosure, and wherein the fourth, fifth and sixth sides (10D, 10E, 10F) of the enclosure are open. which item of furniture defines a rectangular parallelepiped enclosure which: - has a height H, a width L and a depth P such that L = 2 3 H and P = 1 2 H - has first and second parallel sides (10A, 20A), which are opposite each other along said width, - has third and fourth parallel sides (10C, 10C,) which are opposite each other along said depth, and - has fifth and sixth parallel sides (10E, 10F), which are opposite each other along said height, which item of furniture comprises: - first, second and third flat walls (11, 12, 13) which respectively close the first, second and third sides (10A, 10B, 10C) of the enclosure, and - a fourth flat wall which: - is parallel to the fifth and sixth sides of the enclosure, at a distance D from the fifth side such that D = H - L, - along said width, extends from the first flat wall to the second flat wall, and - along said depth, extends from the third flat wall to the fourth side of the enclosure, - has a height H, a width L and a depth P such that L = 2 3 H and P = 1 2 H - has first and second parallel sides (10A, 20A), which are opposite each other along said width, - has third and fourth parallel sides (10C, 10C,) which are opposite each other along said depth, and - has fifth and sixth parallel sides (10E, 10F), which are opposite each other along said height, which item of furniture comprises: - first, second and third flat walls (11, 12, 13) which respectively close the first, second and third sides (10A, 10B, 10C) of the enclosure, and - a fourth flat wall which: - is parallel to the fifth and sixth sides of the enclosure, at a distance D from the fifth side such that D = H - L, - along said width, extends from the first flat wall to the second flat wall, and - along said depth, extends from the third flat wall to the fourth side of the enclosure, - is parallel to the fifth and sixth sides of the enclosure, at a distance D from the fifth side such that D = H - L, - along said width, extends from the first flat wall to the second flat wall, and - along said depth, extends from the third flat wall to the fourth side of the enclosure, and wherein the fourth, fifth and sixth sides (10D, 10E, 10F) of the enclosure are open.