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Wind Tube
Source Institutions
In this activity, learners explore moving air and the physics of lift and drag by constructing homemade wind tunnels.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-694.jpg?itok=yTjZAaSE)
Geometry Construction: Polyhedral Playthings
Source Institutions
In this activity, learners create 3D geometric shapes using straws and pipe cleaners.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-697.jpg?itok=vGEvmj1m)
Digger
Source Institutions
In this activity, learners build their own construction cranes using tongue depressors and pushpins.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-851.jpg?itok=AjXoF-zK)
Hydraulic Car
Source Institutions
In this activity, learners build cars using syringes and water-powered hydraulics. Learners construct the car frame out of cardboard and set up a hydraulic system to raise and lower the car.