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In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines.

In this project, students explore how levers work, by making a puppet with moving limbs.

In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.

In this hands-on activity, learners build their own kaleidoscopes and explore how light can reflect of off surfaces such as mirrors, to produce beautiful patterns.

In this activity, learners will build a roller coaster for a marble to run on using everyday household materials such as paper towel or toilet paper rolls, cups, boxes, books, buckets, chairs, etc.

In this artistic activity, learners blow up a smaller picture into a larger one, by using a grid.