Inspired by the Lewis Carroll’s novel ‘Alice through the Looking Glass,’ designer Yasmin Sethi developed a chess set that features pieces that “magically turn transparent” when they touch the board.

(In ‘Alice through the Looking Glass’ by Lewis Carroll, Alice falls through a mirror and on the other side of the mirror, she becomes a piece in a game of chess.)

The pieces of this chess set are each contained in a cylinder that turns opaque when they’re removed from the board hiding the identity of the piece.

However, when you put them back down in one of the squares, the pieces turn transparent again and reveal their true identity.