From grocery garbage to shipping leftovers, there is cardboard surrounding us. Show us your cardboard creations (including corrugated, singly-ply tagboard, paper rolls, and more) for a chance to win a digital gift card in the Cardboard Speed Challenge.
The Cardboard Speed Challenge is in judging.
Grand Prize
Grand Prize
- $250 Digital Gift Card
First Prize
- $100 Digital Gift Card
Second Prize
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 Mar 29, 2021 and Apr 12, 2021 (11:59pm PT).
Learn more about how it works.
Enter
Upon publishing your Instructable you'll see checkboxes for open contests. Select Cardboard Speed Challenge. 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.
Accepting
Entries are accepted by Instructables staff within one business day Monday - Friday. What matters is the submission time, not acceptance time.
Judging
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.
Winners
When the winners are decided they will be announced here on the contest page. All entrants will be notified when this happens.