Step 3 of 7

Step 3: Stick on two LED eyes

Stick four small squares of copper tape on the front panel, two for each eye, about 1cm apart, one above the other. Bend each LED's legs flat, once only: long leg up, short leg down. Sit each leg on a square. Write + above the eyes and − below them in pencil.

The flat robot card with two LEDs side by side on the front panel. Each LED has its long leg bent up onto a small copper square and its short leg bent down onto another; plus is marked above the eyes and minus below.