S SHANEKIA New member May 24, 2010 #1 know what materials i need? My daughter is in the 5th grade they have to make a swing or see saw for a force & motion project but we don't know what materials to use for it.
know what materials i need? My daughter is in the 5th grade they have to make a swing or see saw for a force & motion project but we don't know what materials to use for it.
