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In this activity, learners build water-propelled engines from soft drink cans.

In this activity, learners are challenged to design a wind-powered car using only a handful of household materials.

In this activity, learners will use household items to design and build an elevator that will carry 2 passengers to a height of 16 inches...or higher!

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

In this activity, learners are challenged to create a parachute using easily sourced materials in order to transport a LEGO figure safely to the ground.

In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.

In this activity, learners use design thinking to design and build their own bridge out of household materials including adhesives and/or connectors.

Learners work in groups to construct bridges using stale marshmallows and toothpicks.

In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.

Learners explore the Bernoulli effect by building an airfoil (airplane wing) and making it fly.

In this design activity, learners create a vehicle that can transport a load, like a favorite toy or as a recycled object, from the top of a zipline to the bottom using only gravity.

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