This WordPress.com site all about kindergarten science.

Ball launcher

Here is a ball launcher for launching cat toys.  You can have your kids launch balls of different sizes and weights to see which one goes the farthest.

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The smaller tube has packing tape on the end.  The larger tube has slits in the top and the rubber band is wrapped around it on one side.

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The smaller tube has slits cut in the bottom for the rubber band.

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Then slide the tubes together, insert a ball and launch!

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