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Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.

In this activity, learners discover how to rotate a flat shape into the third dimension. Learners draw and cut out a shape that has at least one straight edge on an index card.

In this activity, learners explore the structural strength of triangles by creating their own free-standing geodesic dome out of plastic straws.

In this activity, learners make a device called a phenakistoscope, which displays a continuously looping animation consisting of images drawn onto a spinning disc.

In this activity, learners slide shapes to create unusual tiled patterns.

In this group activity, learners make multi-sided polygons with string.