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Blast Off!
Source Institutions
Students design and create their own air-powered rockets, in this hands-on activity.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-952.jpg?itok=69dBzgfS)
Caution! Wildlife Crossing
Source Institutions
In this design challenge, learners use their creativity and imagination to design and test a wildlife crossing for their favorite animal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-947.jpg?itok=_rUhPLCR)
Cupcake Delivery
Source Institutions
In this design challenge, learners will create wind-powered contraptions to transport a load, such as a cupcake or another small object, and test to see if they work.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-232.png?itok=ShOvqN1S)
Pinball Wizard
Source Institutions
In this hands-on engineering project, kids use two simple machines, levers and inclined planes, to construct their own pinball machines.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-220.png?itok=M-A__TXw)
What Gives?
Source Institutions
In this activity, learners design, build and test a model suspension bridge for sturdiness and strength.
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Four Corners
Source Institutions
In this design challenge activity, learners build a machine out of cardboard that runs smoothly and dependably. Learners must be precise to make sure their component works properly.
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Get-Moving Game
Source Institutions
In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-913.jpg?itok=u9vkXT8X)
Helping Hand
Source Institutions
In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.
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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-000-000-002-233.png?itok=ijtFigxH)
Action Figure
Source Institutions
In this project, students explore how levers work, by making a puppet with moving limbs.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-027.png?itok=MzGWrDxh)
Bubble Trouble
Source Institutions
In this activity on page 15 of the PDF, learners measure the amount of bubbles that they make using a detergent.
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Paddle Power
Source Institutions
In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-204.png?itok=9NNghMjT)
Rescue Mission
Source Institutions
In this hands-on activity, learners use the steps of the design process to create a hook to rescue a "space capsule" from the water.
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Kinetic Sculpture
Source Institutions
In this design challenge activity, learners build a tower that’s at least 12 inches high with two or more parts that move (spin, sway, or flap) in the wind.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-920.gif?itok=TrufROSt)
Zip Line
Source Institutions
In this design challenge activity, learners build a device to carry a Ping-Pong ball from the top of a zip line to the bottom in four seconds (or less!).
![](/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-000-000-001-488.png?itok=k4QCd7kw)
Pollution Diffusion
Source Institutions
Learners design their own experiment to investigate how pollution diffuses through ground material.
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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.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-217.png?itok=RPsnvrZy)
Blow It Away
Source Institutions
In this activity, learners design wind-powered cars out of simple household materials. Students have fun designing and then racing their vehicles around the room.
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Watercraft
Source Institutions
In this design challenge activity, learners build a boat that can hold 25 pennies (or 15 one inch metal washers) for at least ten seconds before sinking.