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Build a Bubble Circuit
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In this engineering design challenge, learners make a bubble maze that allows bubbles to move through a series of “on” and “off” switches.

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

Magnetic Seesaw
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In this activity, learners build a seesaw powered by magnets.

Motorized Balancing Toy
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In this activity, learners build a toy that flies in circles. This activity introduces learners to center of mass, torque, and rotational motion.