Colorful binoculars.
If you want a carnival ball to see in different colors, You can make a colorful binoculars shown in the figure – b. You will need a colorful cellophane to make it (You can get it from candy packaging), cardboard (preferably white) and length of length 30 cm. On the carton, measure two equal size rectangles, Cut them out, Fold exactly one with the other, and their corners are cloudy. Draw in two rows of the circle on one of them, Then cut them through two rectangles at the same time (drawing – a). Each such "window" of one rectangle A wagon with colorful pieces of cellophane. Glue the slat in the middle of the lower side of this rectangle, and then brush its edges with a paper glue. Put the second rectangle exactly. Press the binoculars made, e.g.. book, that both parts stick well. Looking through a different window each time, You will see a ball in different colors.
Colorful binoculars: a) Insole with windows covered with colorful cellophane (tissue), b) ready binoculars.