I want to make a centipede in different parts and have magnets be a conductive switch between all of the parts.
The LED or LEDS would be on the head (probably will be the eyes) and on the tail there will be either a battery or some kind of power supply.
Something like a Rubik's cube where again, magnets are located in different spots and if we place all of the pieces in the right order and where the magnet's poles all work correctly, there will be light somewhere. It kind of reminds me of the movie "Cube".
C) Honey bear
Or some kind of honey loving puppet holding a bucket of honey. If the bucket is filled, then there is conduction and the lights light up. Wires would be inside of the puppet and the circuit would be open always unless the bucket of honey is filled.