✓Lesson Snapshot
Student Objective
I can build a stable VEX mechanism using proper spacing, fastening, shaft support, alignment, and safety habits.
Main Activity
Build a small VEX practice mechanism and inspect it for wobble, binding, loose fasteners, and unsafe motion.
Deliverable
VEX mechanism build-quality checklist
Tools / Materials
VEX kits, hand tools, notebook, inspection checklist
1ProblemUnderstand the challenge and why it matters.
A mechanism can fail because of poor construction even if the design idea is good. Reliable testing requires a build that is aligned, supported, tightened, and safe to operate.
2ConceptLearn the engineering idea or skill.
Good mechanical construction includes square frames, supported shafts, proper collars/spacers, secure fasteners, smooth motion, and clear zones around moving parts.
3ApplyUse the skill in a guided task.
Build a small gear, pulley, or linkage mechanism. Test it by hand, identify friction or alignment issues, and revise at least one part of the build.
4DocumentRecord your evidence and decisions.
Complete a build-quality checklist and include one labeled sketch or photo showing how your team supported shafts, secured parts, or reduced binding.
5ReviewCheck quality and identify your next step.
Before moving forward, your practice mechanism should move smoothly, stay together during operation, and be safe to test repeatedly.
Lesson Resources
Use these files and shared website resources when they support today’s work.
Engineering Graph Paper
Use for sketches, layouts, calculations, systems diagrams, and test planning.
Open ResourceProject Planning Worksheet
Organize roles, materials, build steps, and testing responsibilities.
Open Resource