Velleman MK131 LED Traffic Light Kit

LED - Light Emitting Diode - a small light source

Toy - A generic term for something that can be played with for enjoyment

Railways - A set of tracks that have been laid for the purpose of trains to travel up and down them

LED - Light Emitting Diode. A bulb that is very efficient at producing light. Often small.

Model - A representation of a person or thing, usually smaller scale. It can also be a person that wears clothing.

Ideal - Something that satisfies a perfect criteria.

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