This is a very simple and very effective color force with a very novel prop. It will permit you to “set” your “force color” right in front of the audience, and change this as often as you wish, enabling you to repeat the effect as often as you like.
The apparatus supplied comprises of a simple “top” – a familiar toy, with six colored spots on it. It is given to a spectator to spin, and when it stops, the color spot towards the bottom is the “selected color”, and is entirely under your control.
Or if you prefer, you may use the uppermost colored spot, (the one uppermost when the top rests on its side) as the selected color.