Mounted motor on mechanical gyroscope to self balance itself on two legs.
Got a way from me.
Update: July 4th, 2024: forgot my own rule, CG must be 1 cm above gimbal axis. So added more weight to the motor side and it balances indefinitely.
Checkout version 2 of this gyroscope with updated motor: https://youtu.be/NmzvyLdx4ZU