Double the STEM fun with this Bridge Building + Bottle Car STEM Journal Bundle! Students plan, design, build, and test their creations while recording results in structured engineering design journals. This bundle includes 14 worksheets total (7 per project): 🌉 Bridge Building Journal – brainstorm, plan, test log, reflection 🚗 Bottle Car Journal – design, materials list, build log, reflection Why Teachers Love It: Hands-on engineering challenges perfect for grades 3–6 Aligned with NGSS