The leprechauns need a bridge to store as much of their gold as possible! Help the leprechauns by designing a bridge using one index card to hold the most pennies! How many pennies [gold] will your bridge hold?
Try these other fun St. Patrick's Day STEM activities!
St. Patrick's Day Leprechaun Science Inquiry force experiment- balloon rockets
St Patricks Day Scientific Method Experiment Review Introduction w/ Lucky Charms