Two nested tubes are introduced that have large holes running thru the sides. A spectator is handed two silks and asked to push them thru the holes in the sides of the tubes. It can clearly be seen that they fill almost the entire tube.
A candle is lit and pushed thru the inside of the tube.
Later it can be shows that the silks unharmed.
We supply the tubes and silks which can be examined. You provide a regular dinner candle.
Made in Germany, English instructions provided!