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Extreme Kicking Machine
Source Institutions
In this design challenge activity follow up to "Kicking Machine", learners add a hands-free feature to their Kicking Machine.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-930.gif?itok=hu7Ep8gi)
Motorized Car
Source Institutions
In this design challenge activity, learners build a car that uses a battery-operated motor to "drive" at least ten feet.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-276.png?itok=CEaNmJk1)
Balloon Rocket
Source Institutions
Experiment with force and pressure by building a balloon rocket. When launched, the balloon will run a track wherever you place the string.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-925.jpg?itok=KVlxMAl7)
Pop Fly
Source Institutions
In this design challenge activity, learners invent a way to send a Ping-Pong ball flying high enough to catch it - like football with a twist!
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-919.jpg?itok=r_Bc2ngt)
Kicking Machine
Source Institutions
In this design challenge activity, learners build a machine that kicks a Ping-Pong ball into a cup lying on its side 12 inches away.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-607.jpg?itok=yd67oh9r)
Jitterbugs
Source Institutions
In this activity, learners construct bug models that "jitter" all over the table with just a battery, motor, and counterweight.