Time:
This exercise will take about 10 minutes to complete. In total, allowing for discussion, we recommend allowing 15 minutes for completion.

Aims:
• To explore how assumptions and previous experiences can prevent us from thinking clearly about a challenge.

Group Size:
Suitable for use with groups of almost any size.

You'll Need:
• We have provided a PowerPoint slide for the riddle, alternatively you can write it up in advance on a flipchart.