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Make a Comeback Can
Source Institutions
Learners build a can that automatically returns after being rolled away. The can has a rubber band inside that stores energy as the can rolls one direction.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-369.jpg?itok=7e0qe4bU)
Circuit Board
Source Institutions
Learners make a circuit board that has questions and answers. When the correct answer is chosen for a question, a circuit is completed and a light illuminates.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-365.jpg?itok=7tGZCeZX)
Make and Fly a Helicopter
Source Institutions
Learners follow the template to build and fly a paper helicopter.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-373.jpg?itok=SzeOGboP)
Three Colors of Light
Source Institutions
Have fun with additive mixing! Observe what happens when the three primary colors of light--red, green and blue--are mixed together, resulting in white light.
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Design a Submarine
Source Institutions
Learners act as engineers and design mini submarines that move in the water like real submarines.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-362.jpg?itok=gMgli9CD)
Slime
Source Institutions
Learners make slime from white school glue and Borax detergent. The long chain molecules of the white glue become cross-linked by the Borax into a big network.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-389.jpg?itok=57PG85DM)
Build a Roller Coaster
Source Institutions
Learners design and build a roller coaster using simple materials. Learners experiment with potential and kinetic energy to get a marble to follow a track into a cup.