4M Kidzlabs Traffic Light Educational Kit. Build your own traffic light with this kit. Impress your friends and family with your new traffic lights and choose the functions you want (automatic or manual) and the color of the lights (green, orange, red). You'll be able to have fun keeping your cars and trucks on the road and obeying traffic laws. The kit contains the materials needed to build the lights and a detailed guide. Box size: 22 x 17 x 6 cm. Age from : 5 years.