Ist da wer?! is a hide-and-seek game in which attentive children need to recognize what cannot be seen.

The centerpiece of the game is a "thicket", that is, a large vertical container that represents a bunch of bushes. Inside this container are twenty wooden discs, two each of ten colors, and you can see these discs inside the thicket through 29 cut-out slots. However, the thicket is designed so that five of the discs will fall into grooves at the bottom of the vertical container, and the discs in these grooves will be hidden by a piece of cardboard underbrush so that they a ...