... educational toys, magnetic connect toysThe ball and rod are for plastic packing ,that is light, beautiful, non-toxic and secureConstitution: ... long rod 10pcs+short rod 26pcs+plastic ball 14pcs Quantity(set/ctn):4Unit Size(cm): 20. ... magnetic sticks and metallic spheres that can be used to build model like bridges, towers, houses, geometrical models, architectural models, ...