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In this activity, learners investigate passive solar building design with a focus solely on heating.

In this activity, learners design and build a NASA rover using raw pasta and candy with a limited imaginary budget.

In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.

In this activity, learners explore electronic communication, the Morse Code system, and advances all the way through text messaging. Learners build a simple circuit, send messages to one another.

In this design challenge, learners design a storm drain cover that catches litter to protect waterways to learn about how local actions can have system-level effects.

In this activity, learners use the design thinking process to design and build their own aqueduct, or water bridge.

In this activity, learners explore the concept of how brakes can stop or slow mechanical motion.

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

Cardboard Automata are a playful way to explore simple machine elements while creating a mechanical sculpture.

The goal of this activity is to build a miniature bobsled that is either the fastest or the slowest. Learners use recycled materials to design, build, and test their bobsled on a bobsled track.

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 make an electromagnet motor to demonstrate the most basic method of changing electrical energy into mechanical energy.

In this activity, learners explore how product design differences can affect the success of a final product -- in this case a bag for holding candy.

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

In this activity, learners explore the concept of rotational equilibrium. Learners work in teams to estimate and determine the force within a mobile design.

In this activity, learners are introduced to challenges of maintaining temperatures while living in space.