You shoulf load 9 volt battery

Becasue of special chute design base and magnetic guide,it can make  the gyroscope which has been manual played up to keep rotating in a low speed.


Method of use: open the bottom cover and the power supply is switched on to create a magnetic field, the hard rotating gyroscope (just to play for time may hit the edge of, pro try several times I knew the trick), not in a place such as TVs and computers, magnetic interference
This is the top secret.
Can you explain what you see?
This is not just a mysterious event, this is a game of intelligence and knowledge ~ ~ ~ ~
When you turn on the black base, the gyroscope can't stop, it can last a few hours
Even a few days ~ ~ ~ ~
Can you believe it? Hurry to buy experience to see the scientific mystery of the top secret