Carly and Adam's Emergency STEM Sub Plans for Pre-K!This low prep STEM activity is simple to use. Just print and play. It's flexible and can be used at any time. Designed to be used with Pre-K or kindergarten. This STEM cup stacking challenge can be used for bell ringers, indoor recess, morning work, makerspace time, or STEM lab. Includes:Pre-K STEM ChallengeSubstitute Teacher InstructionsDesign PageVocabularyMaterial List: Popsicle Sticks and Cups