Pop! - is what you would usually hear if you pressed a sharp nail into a balloon. But this cool science trick shows you how strong a balloon can really be. Even a bed of nails can not pop this balloon. This trick is so impressive; friends will think it is magic! ⭕ Materials: - Nails - A wooden board to hold the nails - Balloons ⭕ Instructions: (1) To show the difference in the experiments, first, take an inflated balloon and press it to a single nail until it pops! (2) Then, blow up a new balloo