Purpose: Use this activity when participants need a mental break or something to support creativity

Instructions:

Without lifting your pen from the paper, connect all nine dots with four straight lines with only a single line passing through each dot.

Solution

This is only one configuration of a solution, as the lines can be started in any corner to duplicate this shape.

Bonus Question:

Challenge them to connect all nine dots with a single line that never crosses itself.

Solution is to roll the paper into a cylinder: