Two pieces of wood. Hammer
One 12v DC motor. hot glue
A dew nails or screws.
Card board the thick kind.
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This is very self explanatory.
Just do something like this
Thought id add all the tools so you no what you need but if your confused then just make a similar structure to the joint peace's of wood an nails
Hot glue the card board to the cd then glue the other cd on the other side of the card board
Put your jointed cd's on the nail. Don't use screw.
Now attach the electric motor to the wooden board
It's optional to add rubber bands to the CD's it just helps with grip.
attach a long rubber band in-between the cds on the cardboard bit and link it to the motor
Just attach some wires on o he motor an turn the wheel.
This thing can be altered in a wind turbine to
Thanks for watching and good night and have a pleasant tomorrow or after noon whatever screw you.