Here is another fun science toy for your home or office. This Electromagnetic Rail Gun can launch projectiles up to 16ft. Its voltage can be adjusted from 3 to 6. The kit comes with 20 metal bullets and a bunch of flags. You can adjust the angle of the launch conveniently.
This electromagnetic cannon can be powered by a USB power bank. You get a tiny screwdriver to change the strength of this tiny railgun.
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