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In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.

In this activity, learners use tinfoil to build and test their own boats - which designs will float, and which will sink?

Learners construct and launch paper helicopters.

In this activity, learners construct speedy vehicles made out of paper plates and powered by twisted rubber bands.

In this activity, learners build an old-fashioned paddle boat out of simple materials.

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

In this activity related to Newton's Laws of Motion, learners build a boat powered by a propeller in the air.

In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.