The DIY Traffic Signal STEM Kit lets students build a real, working traffic light on a neat wooden stand with a road-printed base. Red, yellow and green LEDs with a countdown display show how a traffic signal sequences and times each light — a fun, educational science project.
What’s included:
- Traffic light head + traffic light module (with countdown display)
- Stand pole, base plate and support part
- U clips (2 pcs) and terminal blocks (2 pcs)
- 2-pin wire and connecting wire
- 2× AA battery holder + 2× AA batteries
- Glue stick
What you’ll build & learn:
- Assemble the traffic light on a wooden road-base stand
- Wire the red, yellow and green LEDs
- Watch the signal sequence with a countdown display
- Learn about traffic-light timing, sequencing and road safety
