STEM Challenge: Can you build a flotation device for an action figure? from More Than a Worksheet. Guide your students through the entire STEM engineering process with a simple trifold. Teach about buoyancy and density while learning the design process. Reading passage and rubric included, too! $ #STEM #STEMchallenge #STEMengineering Cinderella Steam Activities, Stem Engineering Challenges, Stem Building Challenges For Kids, Fun Stem Activities Elementary, Steam Projects Elementary, Ks1 Provision, Buoyant Force, Stem Activities Elementary, Vetenskapliga Experiment