Catching leprechauns takes knowledge, creativity

green leprechaun artworkHow do you catch a leprechaun? Natalie McKay’s 3rd graders are busy creating leprechaun traps that include a wheel and axle, lever, inclined plane, pulley, screw or wedge – simple machines that they learned about in class. Here is an example of the may creations, just in time for St. Patrick’s Day.