This is a high-quality, interdisciplinary unit that hits the "STEM + Social Studies" sweet spot—a very popular niche on Teachers Pay Teachers (TpT). Here is a ready-to-use product title, description, and "What's Included" list designed to convert browsers into buyers. Product Title: STEM Around the World: 5-Day Toy Engineering & Physics Lab Subtitle: History, Physics, and Invention Challenges for Upper Elementary & Middle School Product Description:Take your students on a global journey where hi