Start with a question.
Notice what a system does. Look for symptoms and clues before deciding what might be wrong.
Discover how things work, solve hands-on challenges, and find your spark in the skilled trades.
Beginner friendly
3–5 min missions
Complete both virtual wires, then close the switch. Watch what happens.
The circuit is open. Connect both wires and close the switch.
These are learning simulations, not instructions for real electrical, structural, plumbing, or roof work. Explore real tools and projects with a knowledgeable adult.
Tradecraft Lab introduces practical ideas, terminology, and problem-solving habits. It does not certify skills or replace supervision, training, plans, manufacturers' instructions, permits, or adopted codes.
Notice what a system does. Look for symptoms and clues before deciding what might be wrong.
Find out what components do and how they work together. Good work depends on the whole system.
Read product instructions, identify hazards, and know when to get an experienced adult or qualified tradesperson.
Local building codes, electrical and plumbing rules, inspections, and professional practices vary by place and project.
For hands-on learning, use purpose-built low-voltage kits and supervised, low-risk practice materials. In an emergency, leave the hazard and contact appropriate local emergency services.
How forces travel through structural members and connections.
A device that detects dangerous current imbalance and interrupts power.
A curved drain section that maintains a water seal.
Weather-resistive detailing at roof joints and penetrations.
Vertically straight.
Unwanted reverse movement of water into a clean-water system.