A cardboard cube with a big round window in its front, a ring of small holes in its top and pink and blue pieces of cellophane on its side

Your turn

You made it.

Use it on your robot

Make your robot's head from a cube with two windows for eyes, each a different colour. Put a finger torch inside, and the eyes glow.

iOi challenge

Make a robot head whose eyes glow and whose mouth makes a pattern on the wall, lit by one torch inside.