The ultimate project to illustrate the power of triangles! The challenge is to build a bridge that can hold the most weight and is at least 3 craft sticks long. The truss bridge is comprised of repeating triangles, and the shape of the bridge itself forms a triangular prism, resulting in an ultra-strong structure.
Supply List (specialty materials can be found on Amazon)
All STEM Inventions projects share the same set of materials
(100) craft sticks
(15) 4” cable ties
Hot glue gun
(Optional) Rope or cord
(Optional) Hanging scale
STEM Inventions is a project by me, Lance Akiyama. Since 2011, I've developed original science and engineering activities, starting with an after school business that I founded and operated until 2015. I've held a full-time role as the Science Curriculum Manager at Galileo Learning, where I created design thinking-based lessons and pet robots. I'm a long-time contributor to Instructables.com, and I've published four DIY project books with Rockport Publishers. STEM Inventions projects were developed in after school classes and summer camps over several years. All projects use the same set of just 20 different materials and 2 tools to make supply purchasing and management easier.