Inspire future engineers! A key STEM topic, engineering is now required per the science standards. Oversized, flexible magnets help you model the whole engineering design process. Then use one oval at a time to guide elementary and middle school students through in-depth work at each step. Includes 5 colorful ovals (steps) and 5 fun lightning bolts to connect the steps. Ovals measure 9 1⁄2"W x 8"H each.