These centers have students building and writing about their build. There are challenges that include measurement, research and writing that go along with each build. There are 10 different building challenges. I have also included a recording form for their thinking.
Trick or Treat container
I have included printables with just metric units of measurement using centimetres and milimetres for those classrooms outside of the US.
Check out my store for a freebie: Building Guidelines
I have also have bundled this product with my Building Challenge Reading and Writing Centers
The bundle is Building Challenge Bundle