D.I.Y. Laser Challenge Soldering Practice Kit - Intermediate DifficultyHit the bulls eye and the alarm will sound Great for laser tag fun Power requirement: 9v battery (not included) PCB size: 2. 1" x 1. 3" NOTE: This kit requires assembly with a soldering iron. Soldering iron and solder are not included. INTERMEDIATE KIT: Intended for those with some previous knowledge of electronics. Requires good soldering techniques for medium dense boards. NOTE: This kit requires assembly with a soldering iron. Soldering iron and