
The world runs on time, but how do you keep track of it?
Share your unique clock builds for a chance to win a prize in the Clocks Speed Challenge! This year we are doing a judges prize for Best Use of Tinkercad.
Need some inspiration? Check out our previous Clocks Contests:
2011 • 2018 • 2020
The Clocks Speed Challenge is closed.
Judges' Prize - Tinkercad
Grand Prize
First Prize
Second Prize

Judges' Prize - Tinkercad
- $100 Digital Gift Card

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 May 10, 2021 and May 24, 2021 (11:59pm PT).
Learn more about how it works.

Enter
Upon publishing your Instructable you'll see checkboxes for open contests. Select Clocks 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 notified and announced here on the contest page.