D.I.Y: Amusing Afternoon!

Materials: half of a small condensed milk tin (empty), a blue marble

Step 1: Stand the milk tin on its base on the ground somewhere.

Step 2: Step a few paces away from the milk tin.

Step 3: Attempt to toss the marble into the milk tin.

Step 4: Retrieve the marble.

Step 5: Repeat steps 2 - 5 until you've been sufficiently amused.