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In this engineering activity, young learners investigate multi-level buildings.

In this activity, learners engineer a paper helicopter that spins to the ground when dropped.

In this engineering activity (page 2 of PDF), young learners investigate how a wide base can make a building more stable. Learners use blocks or boxes of different sizes to construct stable towers.

In this engineering activity (page 3 of PDF), young learners investigate how a pole can be made stable by “planting” its base in the ground or adding supports to the base.

In this engineering activity (page 5 of PDF), young learners investigate how materials and design contribute to the strength of a structure, particularly walls.

In this activity, learners consider how a simple machine, a lever, turns a small push or pull (a small force) into a larger--or stronger--push or pull (a larger force).

In this activity, learners are invited to imagine the park of their dreams!

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

No glue is needed for learners of any age to become marshmallow architects or engineers.

In this activity, learners build bridges and cantilevers in a series of "building out" challenges with straws and pins.

In this experiment, learners design and build a model room in a shoebox and furnish it with tiny furniture.

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.