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In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

In this quick activity (page 1 of the PDF under SciGirls Activity: Tug O' War), learners will test how many pennies a flat paper index card bridging the gap between two stacks of books is able to supp

Learners examine the manufacturing process while they make picture frames from cereal boxes.

In this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.

In this activity, learners investigate balance and symmetry by designing a symmetrical butterfly, using a paper cutout.

In this design challenge activity, learners use tubes of newspaper to make a table that’s at least eight inches tall and strong enough to hold a heavy book!

In this math activity, learners use what they know about shapes to copy a friend's hidden picture. Learners create a design out of pattern blocks and then hide their picture behind a screen.

In this math activity, learners create symmetrical designs for paper models of special blouses known as huipiles.

In this activity, learners construct three quick and simple mechanisms to start building a pop-up book. Learners fold, cut, and glue paper to make a bird beak, parallelogram, and V-fold.

In this design and physics challenge, learners construct a cylindrical wing, fly it, make modifications, and determine how the changes affect flight patterns.

This activity is a hit for family events and all ages—some will finish in 45 minutes; others can go on for hours.