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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.

Learners explore magnetism and motion as they build a simple marble run. Learners test different arrangements of plastic and cardboard tubes, bottles, and cups on a magnetic board.

In this physics activity, learners construct a small-scale version of a classic carnival game.

In this activity, learners learn about friction by making their own miniature hovercraft.

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

In this exploratory activity, learners experiment, observe and determine how various toys change from one form of energy to another.

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.

Learners use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor.

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 construct cars that are powered by hand-made, electric propellers.

This is an activity in which learners explore the effects of gravity, motion and momentum while creating art.

In this activity, learners use simple tools to build a bookshelf with a built-in bookend.

The goal of this activity is to design the fastest sailboat or one that carries the most treasure.