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Brick Drop Challenge
Source Institutions
In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-142.jpg?itok=BKsN23oi)
Build A Treetop Walkway
Source Institutions
Build and test a scale model of a rainforest canopy walkway.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-890.jpg?itok=0PFw71I0)
Edible Earth
Source Institutions
In this activity, learners make a model of the solid Earth's layers that's good enough to eat! Learners use tasty foodstuffs to simulate Earth's inner core, outer core, mantle, and crust.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-047.jpg?itok=JyVStCwb)
Hail Storm House
Source Institutions
In this activity, learners construct hail-proof houses using recycled materials to discuss storm readiness and safety.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-640.png?itok=hbm17YU9)
Sticky Structures
Source Institutions
In this engineering/design/arts and crafts activity, learners design and build "platforms" or "bridges" that can hold weight, and test which glue makes the strongest structure.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-000-631.png?itok=1Wetf8cQ)
Marshmallow Models
Source Institutions
No glue is needed for learners of any age to become marshmallow architects or engineers.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-002-637.png?itok=0rZ4ozbi)
Building with Wonderful Junk
Source Institutions
In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-003-409.jpg?itok=U_e5Hyki)
Secret Messages
Source Institutions
In this activity, learners use Teflon (PTFE) tape to write secret messages.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-005-027.jpg?itok=wQAv64V8)
Cup Towers
Source Institutions
In this activity, learners explore different ways to stack cups to meet a personal goal.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-004-595.jpg?itok=ONEvS35d)
Observing Cells
Source Institutions
In this playful activity, learners explore the structure of the cell—the basic unit of every living organism—by creating a model of cell structures using soap bubbles, and by examining a slice of onio