What I thought was really cool were 2 main things. One of them was a small little train that would float. The reason it would float was because they put nitrogen in it with a magnet. The magnet was there because it had to stay on the track somehow but the track was a magnet too. The Second thing was the non-Newtonian fluid. It was made of cornstarch and water. What we did with it was you would poke it fast and it was a solid and when you just touch it really slow it would become a liquid.
By paetyn
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