Kit for realization of a modular pallet (P); wherein said kit comprises the following plastic elements: - at least two supporting assemblies (G), each one comprising: a) a crosspiece with a lower side suitable for facing the ground, and an upper side ; said crosspiece comprising at least two fixing areas obtained on the upper side ; each fixing area comprising fixing means (A2); b) a supporting leg for each fixing area ; said supporting leg comprising an upper portion with upper fixing means (A31), and a lower portion with lower fixing means (A32); said lower fixing means (A32) being suitably configured to cooperate with the fixing means (A2) of the fixing area of the crosspiece ; - a monoblock platform with an upper side and a lower side ; said platform comprising a plurality of fixing areas obtained on the lower side , one for each supporting leg of the supporting assemblies (G) of the kit; each fixing area comprising fixing means (A1) suitably configured to cooperate with the upper fixing means (A31) of the upper portion of the supporting leg ; characterized in that : - said supporting leg has a box-shaped structure, is internally hollow and is open on the bottom; wherein the upper portion has smaller dimensions than the lower portion in such a way that the upper portion can be fitted inside the lower portion of an identical supporting leg in such a way that the supporting legs can be stacked one on top of the other one; and - each crosspiece comprises a notch under each fixing area , said notch being suitably configured to contain a fixing area of an identical crosspiece , at least partially, so that the crosspieces can be stacked one on top of the other one. - at least two supporting assemblies (G), each one comprising: a) a crosspiece with a lower side suitable for facing the ground, and an upper side ; said crosspiece comprising at least two fixing areas obtained on the upper side ; each fixing area comprising fixing means (A2); b) a supporting leg for each fixing area ; said supporting leg comprising an upper portion with upper fixing means (A31), and a lower portion with lower fixing means (A32); said lower fixing means (A32) being suitably configured to cooperate with the fixing means (A2) of the fixing area of the crosspiece ; a) a crosspiece with a lower side suitable for facing the ground, and an upper side ; said crosspiece comprising at least two fixing areas obtained on the upper side ; each fixing area comprising fixing means (A2); b) a supporting leg for each fixing area ; said supporting leg comprising an upper portion with upper fixing means (A31), and a lower portion with lower fixing means (A32); said lower fixing means (A32) being suitably configured to cooperate with the fixing means (A2) of the fixing area of the crosspiece ; - a monoblock platform with an upper side and a lower side ; said platform comprising a plurality of fixing areas obtained on the lower side , one for each supporting leg of the supporting assemblies (G) of the kit; each fixing area comprising fixing means (A1) suitably configured to cooperate with the upper fixing means (A31) of the upper portion of the supporting leg ; - said supporting leg has a box-shaped structure, is internally hollow and is open on the bottom; wherein the upper portion has smaller dimensions than the lower portion in such a way that the upper portion can be fitted inside the lower portion of an identical supporting leg in such a way that the supporting legs can be stacked one on top of the other one; and - each crosspiece comprises a notch under each fixing area , said notch being suitably configured to contain a fixing area of an identical crosspiece , at least partially, so that the crosspieces can be stacked one on top of the other one. <EOS>