1、Assemble the product according
to the picture .
2、Put the sand into the circular
tray.
3、Put the white sleeve on the
pendulum, and soothe the san. (In order to avoid the sand go
out, you had better to make the sand being a uniform concave
surface)
4、You can make the pendulum lower
by adjusting the screws on the pendulum .
5、Swing the pendulum and it will
draw up different Lissajous Curve.
6、The pendulum is easy storage .
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