Being a maker rocks! Sometimes, literally. In this contest, we’re offering up prizes to folks who post Instructables that show off how they used stone, rocks, cement, bricks, all things mineral in their DIY projects. We’re offering up big gift cards to the winning Instructables, don’t take this contest for granite, enter today!

The Stone Concrete and Cement Contest is closed.

Grand Prize


Grand Prize (1)

One Grand Prize winner will receive:

First Prize (3)

Three First Prize winners will receive:
  • $250 Amazon Card
  • Mug Prize Pack

Second Prize (5)

Five Second Prize winners will receive:
  • $100 Amazon Card
  • Mug Prize Pack

Runner Up (10)

Ten Runner Up Prize winners will receive:
  • Mug Prize Pack

Write an Instructable

Create a new Instructable that fits the guidelines outlined in the contest description above. To be eligible, Instructables must be published between Jul 1, 2019 and Aug 26, 2019 (11:59pm PT).


Upon publishing your Instructable you'll see checkboxes for open contests. Select Stone Concrete and Cement Contest. If you have entries currently eligible for entry, it will also show up by clicking "Enter this Contest" on the right side of this page.


Entries are accepted by Instructables staff within one business day Monday - Friday. What matters is the submission time, not acceptance time.


A panel of judges made up of Instructables staff and respected members of the community rate the finalists. The averages of the ratings determine the winners.


When the winners are decided they will be notified and announced here on the contest page.