Material: plasticBox size:21.5 * 18.2 * 6.5 (CM)Notes:Due to manual measurement， size will be slightly error.Product use:DIY DIY， science teaching aids to enhance children's awareness of the nine planets.Children in the assembly process can appreciate the continued conquest brought a sense of joy and fulfillment， help to develop innovative and intellectual development of children thinking ability.Package included:Stand * 1strut * 1 connecting rod * 8 brush * 1pigment * 7 box plastic balls * 9 Manual * 1box * 1