Marvin & Milo

Mushrooming marshmallows

Mushrooming marshmallows

  

 

What you need:

Wine saver or coffee saver with pump

Wine bottle or coffee container

Marshmallows

 

Instructions

Put a handful of small marshmallows into the bottle or container.

Put a stopper in the top and pump out as much air as you can.

 

Results & explanation

The marshmallows should grow to become much larger. When you release the stopper they should collapse to their previous size.

See previous cartoons

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