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

If you have 3-foot dowels and rubber bands, you can can started on this fun and open design challenge. You can make structures big and small: make it so you can fit your parent into it!

In this activity, learners use things from the kitchen as building materials to explore how shapes contribute to the strength of different structures.

In this hands-on activity, learners use toothpicks to build different triangles and squares and then use the toothpicks to build and solve some tricky shape puzzles.

In this two-part math lesson, learners investigate problems that foster algebraic thinking across content strands. In the first part, learners explore even and odd numbers linked to quilts.

This hands-on activity shows you how to build basic architectural shapes out of toothpicks and gumdrops.

In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

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