toothpick in the balloon

I stuck the toothpick in the balloon

Tricks:

• the smaller balloon you have, it's easier than bigger ones
• Use sharp toothpick so that can go into the balloon easily
• put vaseline on top of the balloon so it can make it smooth
• Stuck the toothpick on the very top of the balloon where has thickest rubber

Science:

Because of balloon's flexibility, balloon easiliy pops. But if you try on the top, rubber can easily move. so if there is more rubber, it's easier to stuck the sharp objects.

photocredit: Theresa Anselmo