What does a structure need to be stable?
... "A Strong, sturdy base"
... "Balanced"
What is missing?
"some of the sticks at the base"
What shape is stronger?
"a triangle"
Why?
"a square can collapse" (become a diamond or a parallelogram)
Added some triangles to make our structure more stable...
Experimenting with a flat sturdy base.
A tall structure...
...but not very stable.
Needs a bigger base!
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