Show a 1 meter x 1 meter x 1 meter cube?
Imagine a square. Now draw a box with all its faces square. This
is a cube. Label it so that the height of the box is 1 metre, its
width is one metre, and its depth is one metre.
If you want to see pictures of cubes, enter "cube" in Google,
then click on Images in the menu bar near the top left of your
screen.