Motor Construction Kit To build 3 motor models as in Westminster electromagnetic kit consisting of 6 magnets, 3armatures, 3 mild steel yokes, 3 support bases, 3 shafts, 12 rivets, 6 split pins, 1 reel pvc tinned copper wire 26 swg, 1 reel sellotape, and 150 mm latex tubing 2 mm bore.