🚦🟥🟨🟩Code the Lights! Create a Realistic Traffic Signal System in Scratch – Perfect for Kids & Beginners!

Create a working traffic light system that changes from red ➝ yellow ➝ green, with a car sprite that moves only when the light is green.

🧩 Step-by-Step Instructions

Step 1: Set the Scene

• Click on Choose a Backdrop, then select the colour full city backdrop.(you can select any backdrop as your wish)

• Delete the cat sprite.

• Click on Choose a Sprite and add the car sprite to your project.

• Create new circle sprite with colours 🟥🟨🟩

• Create a line sprite

Step 2: Add Variables

• Go to Variables → Make a Variable → Name it: canMove

• This will control whether the car can move or not.

when green flag clicked

forever

  // RED Light

  set [canMove v] to [no]

  switch costume to [red v]

  wait (3) seconds

  // GREEN Light

  set [canMove v] to [yes]

  switch costume to [green v]

  wait (3) seconds

  // YELLOW Light

  set [canMove v] to [no]

  switch costume to [yellow v]

  wait (1) second

end

✅ Final Test

Click the green flag and when green shows the car moves ,when red and yellow shows the car stops.

🚦💬 “From red to green, you've just coded the traffic scene! You're not just learning to code — you're coding to learn! Keep going, young programmer — the world runs on logic, and now, so can your imagination!”