Related Resources

Spark!Lab Invention Steps with Shopping Carts

Instructional Resource

Explore Spark!Lab's invention steps through the process of a real inventor, Orla Watson, who changed grocery shopping for millions of people with his telescoping shopping cart. Then make your own cart with our final invention challenge! Click through each of the items below and be sure to read the information (i) sections

Objectives:

  • Understand the invention process by examining one specific invention 
  • Discover and critically analyze objects and primary sources from the National Museum of American History's archives and collection

The Draper Spark!Lab is a hands-on invention activity center housed at the Smithsonian's National Museum of American History.