This learn to solder kit is a must have for the budding electronics engineer or STEM-focused child in your life. They will learn how to work on a European siren circuit and about different pieces on a circuit. After practicing soldering techniques on the practice area of the board, they'll be ready to assemble a European-style siren with flashing LEDs. Details: Soldering required for assembly 9V battery required (sold separately) For ages 12 and up Contents: Solder Soldering iron Wire cutters