How to make fake C4

A frequent request on the channel, and a special commission for a friend's short film: Prop C4

Materials for this Prop include:
Cardboard
6 ounces of white clay
duct tape
newsprint
a dowel rod (or rolling pin)
clear plastic wrap
1 inch black vinyl lettering
.5 inch black vinyl lettering
clear or double stick tape
various colored wires
a black electrical panel
black spray paint
a small circuit board
super glue
hot glue
a clown nose with a blink red LED light
a power drill
four metal connector pieces
scissors
an exacto blade
and a pen or pencil