Take three mirrors and arrange them in such a way that they are touching the edge of the  other two Put some pieces of bangles is it .Rotate the kaleidoscope to see the patterns formed.
hope the three mirrors must be of the same size. fix them to form a like a triangle with a rubber band. Fix one edge of the triangle with a card board and the other with a translucent paper. Pour some broken bangles pieces of different colors. The concept is multiple reflections take place.