Rubber Egg (also called see-through egg or raw egg peeler)

Too cool!
You MUST try doing this sometime!!
Pour a glass about half full of white vinegar. Put in a raw egg. Leave for a couple of days. (Ours worked in about 24 hours.)
When you take the egg out it feels like rubber!
Here are some before and after shots.

Before (the bubbles are just starting!)

After (notice how it looks swollen, and yellowish-that would be the yoke)

See the difference?!

The vinegar reacts with the calcium carbonate of the eggshell to make calcium acetate, carbon dioxide (the bubbles) and water. It eats away at the eggshell until all you have is the inner membrane surrounding the white and yolk.

It amazed not only the kids, but us adults as well!!