Snap Circuits Motion Detector Kit

Build your own motion detector, and whenever somebody walks infront of it, the sound of a laser comes out of the speakerand a red light flashes!Build different circuits with electronic blocks that snap ontoa clear plastic base grid.6 additional circuit projects can be done with this kit: Siren Motion Detector Alarm Motion Detector Police Car Fire Engine Machine Gun European Siren The colorful, step-by-step instructions make these electronicexperiments simple to build and use. Requires one 9V battery (not included). Brand: Elenco Electronics Brand Part Number: SCP-03 Our Part Number: h4063