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Thinking in Three Dimensions
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In this activity, learners create three-dimensional shapes by making some origami models of simple boxes and containers.
Geometry Construction: Polyhedral Playthings
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In this activity, learners create 3D geometric shapes using straws and pipe cleaners.
Shrinking Coin
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In this demonstration, learners attempt to get a large coin through a small hole, the size of a smaller coin.