Description Effect: As the magician talks about optical illusions, he displays two curved plastic strips with pictures of cats on them. One cat has a blue collar and the other cat has a red collar. To the eyes of the spectator’s, it appears that the two strips stretch and shrink. For the climax, the magician proves that the two plastic strips have actually changed size! Along with the two cat strips and scale, you also receive the original packaging, a vinyl holder for the strips, and three pages of English instructions.
