Play the level "Stinker Rescue Part 2" get inside the room with the three wee stinkers, stay in there. Click on the wee stinker who is on the green button and drag him somewhere in the room with the three wee stinkers.
You will find that the wee stinker moves off the button, then on, off it, and on it! and it will keep doing it!
A wee stinker just walks left and right!
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