Quantity   Component name
1 × Rotor & magnetics - Neodymium magnets (24) - Ferrite rods (12)
1 × Coils - Enameled copper wire, hand-wound coils (~100 turns each)
1 × Bearings & frame - Fully plastic bearings (2) - 3D-printed housing and central cylinder (PLA) - Cardboard, a wooden skewer, a toilet paper tube, popsicle sticks - Soda cans (used to reshape the nozzle)
1 × Electronics - Silicon diodes (4, wired as a bridge rectifier) - Electrolytic capacitor
1 × Adhesives & tape - Hot glue, epoxy, duct tape, electrical tape