Four replaceable combat rings have been updated.

Assembly and Usage Tutorial Video:

The main body of the gyro adopts a tough industrial - style design, and the gyro spins extremely stably. To extend the spinning time, you just need to change the filling of the gyro! All structural connections adopt reliable threaded connections with special optimized designs via 3D printing. All components can be disassembled and assembled repeatedly; if any part is broken, replace it and it's ready for immediate use after disassembly!

The printing test has been completed, and we made it to the final deadline of the competition. Let's take a look at my design first!

The first battle after printing with my daughter's pink gyro (she loves pink so much):

Assembly Illustration:

The main body of the gyro adopts a thread - replaceable design. Battle discs and compression disc accessories will be updated subsequently.
Here is the design of the pull - ring structure: