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These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another

In this activity, learners will explore how and why weight distribution works.

In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.

In this activity learners will build roller coasters and test them using small balls or marbles.

In this activity, learners examine baking powder, a combination of three powders: baking soda, cream of tartar, and cornstarch.

In this activity, learners build a LEGO® structure while wearing mittens. This activity shows learners how difficult it is to build small things when your tools are too big.

In this activity, learners try to put together toy bricks—wearing oven mitts on their hands! This activity shows learners how difficult it is to build small things when your tools are too big.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.

In this activity, learners build scaled-down structures and cantilevers in a series of "building out" challenges with bamboo skewers and tape.

In this activity, learners build large-scale structures and cantilevers in a series of "building out" challenges with garden poles and tape.