magnets and coils

I am looking for this to be made A tube of copper wire 12 cm by 3mm diameter with power around it a ring magnet 5mm .a tube of insulation at each end of the magnet 10cm and 10cm high. magnet very light another tube of copper wire with power 12cm by 7 mm around the outside of the magnet inner tube pushes magnet up outer tube pushes magnet down by varing the power between the two we can move the magnet and thus the insulation tube insulation tube can then be moved to selected heights 100mm or 33mm or 34 mm or 59 mm etc above top of copper tube i am looking for a cost to make one and a production cost of 10,000 of these I need them cheap cheap cheap