Computer Graphics

(* Graphics elements: *)

cuboids=Table[{Green,Cuboid[{{2Cos[i],2Sin[i],0.7i}}]},{i,0,10}];
spheres=Table[{RGBColor[i/10.0,i/10.0,0],Sphere[{0.5,0.5,0.8i},0.3]},{i,0,10}];

Graphics3D[{cuboids,spheres}]

(*In class: change scene so that spheres have different sizes. *)