Going through tiktok I saw someone was real metal transforming sword axes so I just had to try to design one! 

https://www.tiktok.com/@chadmichaud/video/7211710470670109994?is_from_webapp=1&sender_device=pc&web_id=7196058269608756782 

Parts needed: 

5 Each - skateboard bearings (608-2RS)

5 Each - 3mm hex screws

5 Each - 3mm nuts

6 Each - 6X3mm round magnets