sizzling ! LEGO "LIGHT BRICK" pieces LIGHTS & SOUND siren laser & barricade

This is a grouping of LEGO pieces starting with a red and white crossing arm barricade suitable for train track crossings or guard station checkpoints. The next 2 pieces are LEGO "LightBrick" pieces which make any creation come to life. First the yellow "laser* which can be mounted then activated by touching the button on the back end (see pics) causing it to emit a yellow beam. Similarly, you will also pick up the siren which has alternating flashing blue lights as well as the sound of a police car's siren, whole of which can be activated by pressing the button in the center.

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