Electric Motor

   This magnetic motor gets power from a battery. It is helpful because then we will stop wasting electricity on charging our phones. 

Materials...

1.Paper tube 
2.Copper wire 
3.Tape
4.Plastic cup 
5. 2 Peaces of stiff wire 
6. 2 Magnets  
7.Sand paper 
8. Battery 


http://www.wikihow.com/Build-a-Simple-Electric-Motor