Calling all science and technology fans and collectors! This construction kit challenges you to not only Build Genius but also build a fully functional VEX Robotics Zip Flyer at the same time! Explore the science of lift, drag, and momentum. This Vex...

Build-X Steel Construction Kit Sears B-200 Train Canada Import USEDBox labeled in French and English, Instruction manual in French Build a Bridge, Build a Space-Age Structure, Invent a Machine, Design a Multi-Action Crane. The Possibilities Are Endless!...