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In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.

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

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 a seesaw powered by magnets.

Hooray! In this design challenge activity, learners invent a device that launches a spoonful of confetti into the air. Learners are encouraged to create the biggest cloud of confetti possible.

In this design challenge activity, learners invent a convenient way for someone using crutches or a wheelchair to carry small personal items.

In this activity, learners build mini-basketball courts using cardboard and measuring spoons. Use this activity to introduce learners to catapults, forces, and levers.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.