attention. Clothing, shoes, the chair, and the spaces around the figure can all become background once you have recognized the person. Treat those areas as part of the puzzle rather than as decoration. Compare shapes and positions without assuming in advance where the answer must be.
If you are playing with someone else, let each person make an independent attempt before comparing observations. A second pair of eyes may notice a detail you passed over, and explaining where you looked can be part of the fun. The ten-second limit adds
