Electric Magnetic Transmitter Kit: This DIY Soldering Practice Kit is used to install a fun mini-shooting game kit. The working principle of this shooting kit is: using the Ampere force generated by the electromagnetic field in the electromagnetic system to accelerate the metal rod. This is a great DIY electric kit, you will be more familiar with electronic components and learn more interesting electronic knowledge English MaUnique gift Choice: Suitable for both Teen and adults, this kit has a stylish design and practical functions, making it the best gift choice for birthdays, Christmas, New Year's Day or any other holidaynual and Video:Come with English manual with Pictures ,also have the Welding video help you Welding This kits Great electronic DIY kit for soldering practice and also suitable for family education. Not only to improve your soldering skills, you will also will be more familiar with electronic components and learn more interesting electronics things Unique gift Choice: