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Hovercraft
Source Institutions
In this activity, learners make plates levitate! Learners build "hovercrafts" using simple materials to explore friction and motion.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-098.png?itok=FcwqA7XH)
Crank It Up
Source Institutions
In this engineering activity, learners explore simple machines and then build cardboard automata using cams.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-218.png?itok=SByWeEoN)
All Wound Up
Source Institutions
In this activity, learners build a racecar using only a rubber band, spool, straw, and paper clip! This racer is a classic toy that zips across a flat surface.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-326.png?itok=QeLoIyY5)
Marble Ride
Source Institutions
In this activity, challenge learners to design a roller coaster ride for a marble using cardboard and other simple materials.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-203.png?itok=v0WYoBhV)
Thrill Ride
Source Institutions
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.