This is a very fun, engaging STEM building challenge that can be done as-is or adapted to a large variety of classes, timeframes, and abilities. I use it early in the year for science classes to introduce scientific method, but it is also a great icebreaker, summer STEM activity, etc. I always use scrap paper leftover from my classes. I take pictures, keep a running data table of tower heights on the board from all of my different classes, and the kids usually get very competitive in a fun wa