February 14, 2010
Using the windshield wiper instructions from the Motorized simple machine
sets,
change the back and forth motion to apart and together motion,
and add two hearts.
Example
The same concept can be used with the WeDo� sets.
Using the windshield wiper instructions from the Motorized simple machine
sets,
change the back and forth motion to apart and together motion,
and add two hearts.
Example
The same concept can be used with the WeDo� sets.
 Links
of Linda Hamilton hamilton@marshall.edu
With support from 
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