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Launch It
Add to list DetailsIn this design challenge activity, learners use a balloon and other simple materials to design an air-powered rocket that can hit a distant target.
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Water Filter
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In this engineering activity, challenge learners to invent a water filter that cleans dirty water.
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Four Corners
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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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Electric Highway
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In this design challenge activity, learners design and build a circuit: an "electric highway" that connects a battery and buzzer at least three feet apart using four types of materials.
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Get-Moving Game
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In this invention challenge activity, learners create an indoor game for one or two people that gets you moving.
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Helping Hand
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In this invention challenge activity, learners see how many objects they can grab with a homemade "bionic" arm.
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Exploring Structures
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This event guide features three related explorations in which learners investigate the following science concepts: how you design and build a structure helps determine how strong it will be; different
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Designing a Wall
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In this engineering activity (page 5 of PDF), young learners investigate how materials and design contribute to the strength of a structure, particularly walls.
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Roving on the Moon
Add to list DetailsIn this design challenge activity, learners build a rubber band-powered rover that can scramble across the room.
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Paddle Power
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In this design challenge, learners build a boat that paddles itself using a rubber band as its power source.
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Hidden Alarm
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In this design challenge activity, learners invent a device that will make their friends and family ask, "What's buzzing?" Learners design an alarm with an on/off switch that is small enough to hide.
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Electric Gamebox Challenge
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In this design challenge activity, learners invent a pinball-like game where a kick stick hits a ping pong ball into a target that buzzes.
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On Target
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In this design challenge activity, learners modify a cup so it can carry a marble down a zip line and also drop it onto a target.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-210.png?itok=bHJEAgI_)
Under Pressure
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In this simple activity, learners discover how a mere piece of paper can be used to hold up the weight of a heavy book.
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Harmless Holder
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Have you noticed the plastic rings that are used to hold six-packs of soda? Those rings are great for carrying cans, but they're real trouble when they become trash that animals can get tangled in.
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Kinetic Sculpture
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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.
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Dance Pad Mania
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Make your own "Dance Dance Revolution" dance pad! In this design challenge activity, learners work in teams to build a dance pad that lets you use your feet to sound a buzzer or flash a light.
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Zip Line
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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!).
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Sky Glider Challenge
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In this design challenge activity, learners use two helium-filled balloons to build a blimp that can travel in a straight path across the room.
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Mechanical Grabber
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In this engineering activity, challenge learners to make a "grabber" that can pick up trash. Learners use simple materials to create pinchers that can grab small items.