These magnetic accelerators ,made with neodymium magnets, are really very powerful, the ball magnet has a high acceleration.  On a larger scale they could become a weapon.

Here the magnets used for those accelerators, thanks to supermagnete.com for providing these magnets for free:

The first 2 magnetic ramps
Sphere K-19-C  https://sumag.net/k-19-c-x01                      
Cubes  W-10-N  https://sumag.net/w-10-n-x01
            W-12-N  https://sumag.net/w-12-n-x01
Disks    S-20-10-N https://sumag.net/s-20-10-n
             S-30-15-N https://sumag.net/s-30-15-n-x01

V-GATE accelerator
Sphere K-26-C  https://sumag.net/k-26-c-x01
Disk     S-30-07-N  https://sumag.net/s-30-07-n-x01

Last magnet ramp
Block magnets Q-40-18-05-N   https://sumag.net/q-40-18-05-n-x01
Bar magnet       S-10-40-N        https://sumag.net/s-10-40-n-x01

LIKE & SUBSCRIBE HERE: http://bit.ly/Sub2MagneticGames
WATCH MY TOP VIDEOS HERE: http://bit.ly/MagneticGamesTopPlaylist

On my channel you will find all the ways to have fun with magnets…