Community Science Workshop Network
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-706.jpg?itok=8aEwQOrL)
Hovercraft
Source Institutions
In this activity, learners build a hovercraft using a paper plate, cup, and simple motor.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-151.jpg?itok=dMc2_Ki5)
Bouncing Yo-Yo
Source Institutions
In this activity, learners build unique yo-yos, which spin round and round without moving up and down.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-145.jpg?itok=dVjivQ94)
Cable Car
Source Institutions
In this activity, learners string a line across the room and build cable cars that can move from on end to the other.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-699.jpg?itok=uxJY8ipd)
Bobbing Eyeballs
Source Institutions
In this activity, learners use simple materials and basic tools to construct a special toy to explore pendulums. As the head of the toy bobs one way, the eyeballs bob the other way.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-115.jpg?itok=TbgS2uc2)
Camera Projector
Source Institutions
In this activity (posted on March 14, 2011), learners follow the steps to construct a camera projector to explore lenses and refraction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-698.jpg?itok=UmL7WPsR)
CD Greenhouse
Source Institutions
In this activity, learners plant seeds and watch them sprout and grow inside a CD case.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-232.jpg?itok=cps56lDc)
Marble Drop Game
Source Institutions
Build your own version of a favorite carnival game, in which a marble races down a maze consisting of rows of nails.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-226.jpg?itok=l6zD_xD7)
Double Horn
Source Institutions
In this activity, learners explore sound by constructing their very own instruments using PVC pipes, soda bottles, and a straw.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-230.jpg?itok=lFvJ70aT)
Speedboat
Source Institutions
In this activity, learners build a speedboat using paint paddles, a propeller, and film canister. Learners attach a simple circuit and motor to the boat to power the propellers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-224.jpg?itok=SXL_8MHs)
Glider
Source Institutions
In this activity, learners construct a paper glider to experiment with aerodynamic forces.