Your students will love these STEM challenges! They are perfect to add some fun while still addressing science standards. Students will use the engineering design process to ask, imagine, plan, create, test, improve and reflect. Students will use simple recycled materials (easily adjusted for what you have on hand) to construct and test their own marble track, to construct and test their own boat that floats even when weight is added and to construct and test their own bridge.Product Includes:11