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In this activity, learners explore how engineers have developed big wheels or Ferris wheels.

In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

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

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

In this activity, learners build a mini dancing robot. This engineering activity introduces learners to electricity, circuits, switches, conductivity, and motors.

In this activity, learners build a bird that flies in place with help from a motor, wire, and some straws.

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 about engineering, nutrition, and physical activity, learners design and build a healthy bone model of a space explorer which is strong enough to withstand increasing amounts of weigh