This is a tower-building event using two very simple materials! Kids will love this and so will you! If you are looking for an easy STEM challenge to get started with STEM this is perfect! (And, of course, it's free!)Ideas for use:This tower challenge is one we completed purely for fun. It’s a fantastic challenge to use as a reward for your class, a sub day, a fun Friday afternoon, STEM night at your school, Grandparent’s Day, a holiday celebration using cups decorated for the holiday, and so mu