7. Advantage Remove unwanted parts out
it helps
to smooth the surface.
Disadvantage Using color making smell of
chemicals.
8. We use a bolt and nut to stick around body for
four points. By the way, stick bolt and
nut and around the body with the hole that we
drill already. And the remaining glue stick.
9. Advantage : can reassemble for change a
battery.
Disadvantage: quite complicate to assembly.
10. Components in the turtle.
Circuit components.
1.Loudspeaker.
2.Power Amp.
3.Battery
holder + battery 9v.