Mr. Wizard's World

Delicate Balance, Potato Pop Gun, Zebra, Density Float, Colored Flames in Fireworks and more (3x6)

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Delicate Balance, Potato Pop Gun, The Zebra, Density Float, Missing Piece of Cake, Opposite Threads, Colored Flames in Fireworks. Mr. Wizard shows Stacey how delicate a balance is by waving his hand over it. The balance registers the force of the moving air. They study several sensitive weight measurements.