Quantity   Component name
2 × solar panels 67.5 × 34.5 mm (not critical)
2 × solenoid 9x10 mm, 26 ohm https://fr.aliexpress.com/item/1005010348008309.html
1 × PVC sheet for the frame
1 × brass wire 0.8 mm for the rotor
1 × small screw as the magnetic suspension point