How do people move pianos and heavy furniture into tall buildings? Show your kids some pulley potential with this simple household exercise!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

Give your budding young observers a chance to discover simple machines at use in their own home.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

Learn about this simple machine and make a pulley of your own to use for fun science trials.