Toothpick in Balloon.

This past week I managed to put a toothpick in a water balloon without popping it. The trick to accomplish this is by:

• First, fill a balloon with water.
• Apply petroleum jelly along the top of the balloon where it is relatively thicker.
• Get a very pointy toothpick
• Push the tip of the toothpick into the lubricated area of the balloon. As you push slowly, also spin slowly until you eventually get the toothpick in

Science: Balloons are made of latex rubber. It is a very loose chain of cross-linked polymers. The toothpick can go through the lubricated balloon without it popping because of its unique structure.