Need a fun, yet challenging, activity for your Algebra 1, Geometry, Algebra 2, or Pre-Calculus students with a Winter, Christmas, or holiday theme? Or do you need a emergency sub plan that can be easily implemented and keeps students productively working all class? This activity is made to work with an online graphing calculator such as Desmos (www.desmos.com), where students will need to create a picture using only equations that are used in high school math. They will need to use a variety of